Which type of ion channel opens and closes in response to changes in the membrane potential?

Answers

Answer 1

Answer:

Voltage Gated Channels

Explanation:


Related Questions

the homozygous recessive genotype 'aa' occurs with a frequency of 0.16 in a population of pandas that is in hardy-weinberg equilibrium. what is the frequency of the dominant allele (a) in the population?

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The homozygous recessive genotype 'aa' occurs with a frequency of 0.16 in a population of pandas that is in hardy-weinberg equilibrium. Frequency of the dominant allele is 0.2 in the population.

An allele is a variation of the same sequence of nucleotides at the same site on a long DNA molecule, according to authoritative textbooks on genetics and evolution. "An allele is a different DNA sequence at a locus, and a locus (plural: loci) is the term for the chromosomal or genomic location of a gene or any other genetic element." Single nucleotide polymorphisms, or SNPs, are the most fundamental alleles (SNP). Although they can also involve base-pair insertions and deletions that number in the thousands. The term "allele" is typically used to refer to a small number of alleles contained inside genes. For instance, the ABO gene, which controls the ABO blood classification, has six common alleles (variants). These six alleles alone, according to population genetics, account for practically every living person's ABO gene phenotype. The majority of observed alleles have little to no impact on how well the gene product they code for functions. But occasionally distinct genes might cause distinct phenotypic features, like differing colouring.

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What is the enzyme that is added as the helix unwinds into short segments of RNA?

Answers

Answer: DNA Helicase is the enzyme that is added as the helix unwinds or ''unzips'' Into short segments of RNA.

Explanation: I really hope this helps out. PLEASE MARK BRAINLEST

Ancient fossilized plants with a similar root structure as those living today MOST likely lived _[blank]_.

Answers

In similar environmental conditions is the correct answer.

Evolution of Plants

It is believed that plants originated from an aquatic green alga protist. They later developed vital terrestrial adaptations including vascular tissues, seeds, and flowers. Each of these significant modifications helped plants become far more successful and more suited for living on dry land.

The earliest plants were presumably akin to the aquatic algae known as stonewort. Stoneworts differ from most modern plants in that they lack roots and contain rhizoids, which resemble hairs, in place of stiff stems. Stoneworts, on the other hand, contain separate male and female reproductive systems, which is a feature of plants. Sperm must be able to swim to eggs through at least a thin film of wetness for fertilisation to take place. The first plants may have resembled stonewort in all of these respects.

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the follicular phase of the ovaries corresponds to the ________ phase of the endometrium.

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The menstrual and proliferative phases of the endometrium are matched by the follicular phase of the ovaries.

the follicular phase, what is it?

Beginning on the first day of your menstruation and lasting 13 to 14 days, the follicular phase culminates in ovulation. To promote the development of follicles on the surface of an ovary, the pituitary gland in the brain produces a hormone. Only one follicle will typically develop into an egg.

Which uterine phase does the ovaries' follicular phase correlate to?

Ovarian follicles mature throughout the follicular phase of the female menstrual cycle, preparing one of them for release during ovulation. Concurrent alterations occur in the endometrium during this time.

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mineral resources are used for creating materials whereas resources are used for power.A mineral is a pure inorganic substance that occurs naturally in the earth’s crust. More than two-thousand minerals have been identified and most of these are inorganic, which are formed by the various combination of elements. However, a small proportion of the earth’s crust contains organic materials, consisting of single elements such as gold, silver, diamond, and sulfur.

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A mineral is a normally happening substance, representable by a compound equation, that is typically strong and inorganic, and has a precious stone design. Mineral assets are the vital material reason for the financial turn of events.

Measurable outcomes show that over 95% of the energy is utilized by humankind, 80% of modern natural substances and 70% of unrefined components for farming creation are from mineral assets. A mineral is an unadulterated inorganic substance that happens normally in the world's hull. More than 2,000 minerals have been distinguished and a large portion of these are inorganic, which are framed by the different blends of components. Nonetheless, a little extent of the world's outside layer contains natural materials, comprising of single components like gold, silver, jewel, and sulfur. There are metals that are hard and have direct power and intensity with attributes of gloss or sparkle. Such metals are called metallic minerals. For instance Silver, Chromium, Tin, Nickel, Copper, Iron, Lead, Aluminum, Gold, and Zinc.

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a color-blind man marries a woman with no family history of color-blindness. what is the likelihood that they have a color-blind daughter

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They have a 50% chance of having a daughter who is colorblind.

In the case at hand, it was discovered that a colorblind guy would wed a lady with normal vision who has no family history of colorblindness. The genotype of the colorblind man is [tex]X^{c} Y[/tex]. And XX is his wife. Due to the crisscross inheritance pattern of color blindness, this couple would have carrier daughters and normal sons. That comes from a mother to a son and a father to a daughter. Daughters in this scenario are carriers but not affected because the mother is healthy. However, their daughters will have a 50% risk of having the condition and a 100% chance of carrying the gene.

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PLEASE HELP! (WILL GIVE BRAINLIEST)
Which layer of the atmosphere is
sometimes called the "weathersphere"?
A. stratosphere
B. mesosphere
C. thermosphere
D. troposphere

Answers

Answer:

D would be your answer

Explanation:

amount of prognathism canine shearing complex is it present? absent? what is the shape/size of the canine? is there a diastema? height of skull. how much skull is above the supraorbital ridge? saggital crest? shape of the facial profile. (scoop out, flat, etc) what is the shape of the chin area? does it recede? is it vertical? does it protrude? size of the braincase? smaller or larger? relative to the face. much or little postorbital constriction? what is the position of the foramen magnum? center, more toward posterior of the skull?

Answers

Skeletal alterations for bipedal movement. Similar to incisors are canines.

Canines obstruct apically, hence they can only be worn apically. not a diastema. Bicuspid lower anterior premolars.

Who of the primates has the biggest canine?

Originally from west-central Africa, the mandrill (Mandrillus sphinx) is a sizable Old World monkey. With skin that is red and blue on its face and back, it is one of the most colorful creatures in the entire animal kingdom. The species exhibits sexual dimorphism, with the males having a larger physique, longer canines, and more vibrant coloring.

Why do human dogs have small canines?

Because they had smaller canines, early humans may not have engaged in as much physical combat to compete for females as other apes. However, this is only one explanation for why we have short canines.

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Consider the chemical reaction in equilibrium.


aA(aq) + bB(aq) Double headed arrow. cC(aq) + dD(aq)

According to Le Chatelier’s principle, which statement correctly completes the table below?


Change Effect on equilibrium constant (K)
Increase in concentration of products Value of K does not change
Increase in temperature Value of K also changes
Increase in pressure
?



value of K does not change
value of K increases
value of K decreases
value of K oscillates

Answers

"The value of the equilibrium constant (K) does not change" the statement completes the table. Hence, option A is correct.

What is chemical equilibrium?

Chemical equilibrium is the condition in the course of a reversible chemical reaction in which no net change in the amounts of reactants and products occurs. When opposing reactions are happening at the same pace, chemical equilibrium happens. Since both the forward and reverse processes are engaged while the system is in an equilibrium state, the equation is shown with two arrows.

The equilibrium will move to the side of the reaction where there are fewer moles of gas as pressure rises. When the pressure is dropped, the equilibrium will shift to the side of the process where there are more gas molecules.

Hence, option A is correct.

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Answer:

A

Explanation:

edge 2023

when the membrane moves, the on the spiral organ hair cells distort because they are anchored by the tectorial membrane.

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When basilar membrane moves, stereocilia on the spiral organ hair cells distort because they are anchored by tectorial membrane.

What are the spiral organ?

The spiral organ is also called organ of Corti which is defined as receptor organ for hearing, located in the cochlea of ear.

The spiral organ is made up of hair cells which are sensory epithelial cells that act as sensory receptor of inner ear.

During the transport of sound from the ear drum, the movement of basilar membrane lead to change in the spiral hair cells because they are anchored by the tectorial membrane.

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problem in spindle fiber, which step of the cell cycle will it arrest. and what will be the cell response?

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The spindle fiber problem will arrest the cell at the metaphase step of the cell cycle. The cell response to this arrest will be to activate the spindle assembly checkpoint, which will halt the progression of the cell cycle until the spindle fiber problem is resolved.

The cell cycle will be arrested in the G2 phase. The cell will respond by activating the spindle assembly checkpoint, which will halt the cell cycle until the spindle fiber is repaired or replaced. This checkpoint is designed to ensure that the cell divides properly and accurately, so if the spindle fiber is compromised, the checkpoint will delay the cell cycle until it has been fixed.

The cell response will be an increase in cell size and an accumulation of mitotic proteins and enzymatic activities. This is because the spindle fiber problem prevents the chromosomes from separating and thus prevents the cell from entering the next step in the cell cycle. As a result, the cell will remain in metaphase and will continue to grow and accumulate mitotic proteins and enzymes.

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which mass extinction event occurred just before the rapid increase in speciation among mammalian species?

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An extinction event is a significant and rapid loss of the biodiversity of the planet. It happens when a large number of species perish suddenly, as the dinosaurs.

Why is it referred to as a mammal?

Mammals are distinguished from other vertebrate animals by a number of distinguishing traits. All species of mammals produce and secrete milk from their mammary glands to feed their young. Even though the amount of hair differs amongst various mammalian species, they also have hair on their bodies.

The human being: a mammal?

Mammals are all warm-blooded, hair-covered vertebrates, including people. They provide milk for their young and have a brain that is more developed than those of other mammal species.

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an algal bloom is an event that occurs when the level of nutrients in an aquatic ecosystem rises. higher nutrient levels increase the ecosystems carrying capacity for algae, and the algae population multiplies dramatically. describe how an algal bloom might alter the local carbon cycle in that ecosystem.

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Algae bloom grows, it gets rid of carbon dioxide from the environment through changing it to biomass and oxygen thru photosynthesis.

Algae convert carbon dioxide to biomass at particularly rapid rates. Great blooms of oceanic algae, referred to as phytoplankton, take carbon out of the environment for the duration of photosynthesis, a good deal of that's then taken deep into ocean with them after they die.

A fast growth in algal bloom on floor of water results in greater uptake of carbon dioxide from environment for photosynthesis and launch of greater quantity of oxygen to the environment.

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Multigene families include two or more nearly identical genes or genes sharing nearly identical sequences. a classical example is the set of genes for globin molecules, including genes on human chromosomes 11 and 16. How might identical and obviously duplicated gene sequences have gotten from one chromosome to another?

Answers

Chromosome translocation has caused the transfer of identical and clearly duplicated gene sequences from one chromosome to another.

What exactly are human genes?

The fundamental structural and operational unit of heredity is the gene. DNA makes up genes. Some genes serve as instructions for creating molecules known as proteins. Many genes do not, however, encode proteins. Genes in humans can range in size form a few hundred Nucleotide bases to more about 2 million bases.

What kinds of genes are examples?

Many of your characteristics, like your skin tone and hair color, are determined by genes that are handed down to you. Maybe Emma's mother had one trait for brown hair and another one for red hair, and she gave Emma the red hair gene.

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which conditions would activate the necessary enzymes for the citric acid cycle?

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Citric acid cycle regulation is done by calcium.

Isocitrate dehydrogenase and -ketoglutarate dehydrogenase, which catalyse the third and fourth phases of the cycle, are likewise activated by calcium ions.

The citric acid cycle is a crucial metabolic mechanism that connects the metabolism of proteins, lipids, and carbohydrates. The cycle is carried out by eight enzymes, which completely oxidise the two-carbon acetate molecule found in acetyl-CoA to yield two molecules each of carbon dioxide and water.

Our primary source of ATP and energy, oxidative phosphorylation, is fueled by electrons from the citric acid cycle.

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Name the organelles that store neurotransmitter molecules within the distal end of a motor neuron axon.

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Synaptic vesicles are tiny spherical organelles found in neurons' cytoplasm that contain neurotransmitter and different proteins required for neurotransmitter production.

Neurotransmitters are chemical messengers that your body requires to function. They are responsible for transporting chemical signals ("messages") from one neuron (nerve cell) to the next target cell. Another nerve cell, a muscle cell, or a gland could be the next target cell.

Synaptic vesicles in neurons store neurotransmitters that are released at the synapse. A voltage-dependent calcium channel controls the release. Vesicles are required for the transmission of nerve impulses between neurons and are constantly recreated by the cell.

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Arrange the structures to show how they are organized in the human body. Place the smallest unit on top, and units of increasing size beneath it.

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The structure of the body from smallest to largest, namely Molecules-Organelles-Cells-Tissues-Organs-Organ Systems.

The cell is the smallest unit of living things. There are two types of cells namely animal cells and plant cells which have different structures. Plant cells have cellulose so they have a rigid shape, while animal cells have flexible cell membranes. Inside the cell there are organelles that are composed of molecules.

Groups of cells will form a tissue. Collections of cells that make up a tissue work together to perform a specific task. Groups of tissues will form organs. So organs can also be interpreted as a group of tissues of living organisms that can perform certain functions. Groups of certain organs that come together to form an organ system. For example, in the respiratory system, there are a group of organs that work together to carry out certain functions. Organ systems work together and make up the body. So the order of the constituent bodies of living things can be arranged from smallest to largest, namely molecules-organelles-cells-tissues-organs-organ systems.

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an ecologist who studies groups of populations that occur together in one area is a(n) , ecologist.

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A community ecology ecologist is a scientist who focuses on communities that coexist in a single location.

Community ecology examines the structure and operation of communities, which are made up of interacting populations that share an area.A community, also known as a biocoenosis, is a collection or affiliation of populations of two or more distinct species that are present in the same geographic region at the same time. There are several applications for the word community. Examples Community ecology takes into account a wide variety of environmental interactions that evolve through time. A forest community is made up of all of the trees, the plant community, the birds, squirrels, deer, foxes, fungus, fish in a forest stream, insects, and any other local or seasonal species.

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Drag each label into the appropriate bin depending on whether it applies to primary, secondary, tertiary, or quaternary structure.

Proteins have a complex structure that can be described at the four levels of primary, secondary, tertiary, and quaternary structure (click on the figure on the left). Because proteins are assembled using the instructions coded in DNA, mutations in DNA often affect protein structure. A point mutation changes a single nucleotide in DNA, either by substituting one nucleotide for another or through the insertion or deletion of a single nucleotide (click on the figure on the right). Point mutations can have a range of effects on protein structure--some have no effect at all, whereas others disrupt protein structure completely.

Answers

primary structure:amino acid sequence secondary structure: results from hydrogen bonding between the backbone constituens of the polypeptide β pleated sheet α helix.

What is the name of the procedure that creates an RNA copy from the genetic data present in DNA?

Transcription and translation are the processes through which DNA is converted into RNA and used to make proteins, respectively.

What kind of mutations among the ones listed below could cause a frameshift?

There could be insertions, deletions, and duplications in frameshift variations.The DNA has several locations where short nucleotide sequences are repeated.

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at which stage of the general adaptation syndrome does the body attempts to repair any damage and return to a condition of stability and equilibrium?

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The stage of the body trying to repair the damage and return to balance is the resistance stage.

The general adaptation syndrome is a pattern of body mechanisms that are activated in response to an ongoing threat to almost any stressor. When experiencing stress, the heart rate will increase and the adrenal glands will release the hormone cortisol.

In the resistance stage, ongoing stressor exposure is compatible with adaptation. The body that is experiencing stress will repair itself by reducing the release of the hormone cortisol to lower, heart rate and blood pressure begin to normal. The body enters the recovery phase. When stress is resolved, the body will adapt to high stress levels, the body undergoes changes to deal with the stress.

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which of the following is false: re-introduction of a top-level predator (like wolves) can: a. cause livestock losses. b. increase biodiversity. c. decrease tourism. d. affect the hydrosphere (change water flow).

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The false statement about the re-introduction of a top-level predator (like wolves) is to decrease tourism.

The deliberate release of a species into the wild, from captivity, or from another environment where the creature is capable of surviving is known as species reintroduction. It is an excellent tool for preserving biodiversity around the world and reviving species.

The wolves greatly increase the tourism of Yellowstone National Park and North Carolina. This is because the reintroduction of these wolves attracts the wolves watcher and increases the economy.

The reintroduction of wolves helps to keep the population of elk, deer, and other herbivores in control. Because this helps to prevent overgrazing and loss of plant species. This also further increases the biodiversity of woody species, birds, and mammals that live there.

Wolves also impact the water flows. After reintroduction, it was observed that riverbank erosion decreased, resulting in less meandering, deeper channels, and the formation of small pools in the rivers.

Therefore, the correct option is option c.

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In the absence of hormones, the distal tubule and collecting ducts are relatively impermeable to water.
a. True
b. False

Answers

Under normal conditions, the epithelial cells of the collecting duct are impermeable to water but can absorb about 5% of the total amount of sodium found in the filtrate. However, in the presence of aldosterone and ADH, the collecting duct is made permeable to water.

What causes increase in the permeability of the cells of the collecting tubule to water?

Water excretion by the kidney is regulated by the peptide hormone vasopressin. Vasopressin increases the water permeability of the renal collecting duct cells, allowing more water to be reabsorbed from collecting duct urine to blood.

Which nephron segment is impermeable to water?

In contrast to being impervious to water, the ascending limb is permeable to salts (sodium), allowing sodium to seep out and raising the medulla's salt concentration.

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If DNA is damaged or incompletely replicated in S phase, what molecule’s inhibition prevents the cell from entering M phase? A. Cdc6
B. Cdc25
C. S-Cdk
D. ORC

Answers

The Cdc25 molecule's inhibition prevents the cell from entering M phase if DNA is damaged or incompletely duplicated during S phase. The answer is (b).

In mammalian cells, CDC25C is predominately a nuclear protein. It is crucial in the control of cell division. It causes the entry into mitosis by dephosphorylating the Thr14 and Tyr15 residue of cyclinB-bound CDC2. Additionally, it is thought to prevent p53-induced growth arrest. Recent research has shown the dual phosphatase CDC25 as a potential target for a variety of triple-negative breast cancers, including those with RB1/PTEN/P53-deficient tumors.

Additionally, PI3K inhibitors and CDC25 inhibitors work well together to limit the growth of tumors. One of the most important cell cycle regulators is cell division cycle 25 A (Cdc25A), a dual-specificity protein phosphatase that dephosphorylates inhibitory cyclin-dependent kinases (CDKs) like CDK2, CDK4, and CDK6 and positively controls the activities of CDKs that promote cell cycle advancement.

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describe the mechanism of evolution that lead to the appearance of aerobic respiration within the eukaryotes and the evidence that we have for that mechanism.

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The conversion of fuel, such as fats and sugars, into chemical energy is known as aerobic respiration. Anaerobic respiration, in contrast, doesn't require oxygen. All cells use respiration to convert fuel into energy that can drive cellular functions.

A chemical reaction that converts carbohydrates into energy using oxygen (sugars). also known as oxidative metabolism, aerobic metabolism, and cell respiration. During aerobic cellular respiration, glucose and oxygen combine to create ATP, which the cell can utilise. As byproducts, carbon dioxide and water are produced. For aerobic cellular respiration, the general equation is: During cellular respiration, the reaction between glucose and oxygen produces ATP. All cellular activities are powered by energy produced by aerobic respiration. The processes result in the production of ATP, which is subsequently utilized to power other life-sustaining processes like growth, repair, and maintenance. While the majority of anaerobic (without oxygen) and aerobic (with oxygen) respiration respectively occurs in the cytoplasm and mitochondria of the cell, respectively.

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rna polymerase is a type of enzyme. enzymes help chemical processes occur quickly. drag the yellow rna polymerase molecule onto the dna strand. describe what happens.

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An enzyme called RNA polymerase is in charge of converting a DNA sequence into an RNA sequence during transcription.

All species have RNA polymerases, however the number and make-up of these proteins differ between taxa. For instance, while eukaryotes (multicellular organisms and yeasts) have three different forms of RNA polymerase, bacteria only have one type. Despite these variations, transcriptional processes remarkably resemble one another. For instance, all species need a way to control transcription in order to alter the timing and location of gene expression.

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an increase in hemoglobin concentration increases the amount of bicarbonate that is available to enter the plasma. this is only possible because

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Red blood cells' hemoglobin is bound by the H+ ion, and as a result, bicarbonate is carried out of the cells in place of a chloride ion.

Additionally, bicarbonate binding to hemoglobin makes it easier for CO2 to be hydrated and transported as intraerythrocytic bicarbonate, which may at least partially make up for the virtual absence of band III protein. The term "chloride shift" refers to this. Red blood cells release bicarbonate, which then enters the blood plasma. Hemoglobin's H+ ion separates from it and joins the bicarbonate ion. This results in the production of the intermediate carbonic acid, which CA's enzymatic action then transforms back into carbon dioxide. During exhalation, the carbon dioxide created is evacuated through the lungs.Blood bicarbonate levels can be high due to metabolic alkalosis, a disease that raises tissue pH. The loss of acid from your body, such as through vomiting and dehydration, can result in metabolic alkalosis.

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Water has several properties that allow life on Earth to exist. Which description identifies a characteristic of water that makes water useful for living organisms?

A. water is polar, which allows it to dissolve many substances
B. water is made of one hydrogen and 2 oxygen atoms making it nonpolar
C. water is able to bond with O2 allowing water to easily exchange with the atmosphere
D. Water contains strong bonds, making it difficult to break apart into hydrogen and oxygen atoms.

Answers

A hydrogen bond is formed between the oxygen atom of one water molecule and the hydrogen atom of another water molecule. Hence, option B is correct.

What is a hydrogen bond?

A hydrogen bond has an electrostatic attraction between an atom and the positive charge of a hydrogen atom covalently bound to something else.

Opposite charges attract one another. The slight positive charges on the hydrogen atoms in a water molecule attract the slight negative charges on the oxygen atoms of other water molecules. This tiny force of attraction is called a hydrogen bond.

Therefore, option B is correct.

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what is the name formoleculesthat provoke a specific immune response? a) antigens b) lymphocytes c)antibodies d) lysozymes

Answers

Question

what is the name formoleculesthat provoke a specific immune response? a) antigens b) lymphocytes c)antibodies d) lysozymes

Answer: antigens are the answer

Explanation:

what is the shannon index h' for a community that consists of only two species, which both have exactly the same number of individuals

Answers

the shannon index h' for a community that consists of only two species, which both have exactly the same number of individuals is one

A technique to gauge the species diversity in a community is to use the Shannon Diversity Index, also known as the Shannon-Wiener Index.

This index, designated as H, is figured out as follows:

H = -Σpi * ln (pi)

where:

Greek letter, which stands for "sum"

Natural log pi is defined as the percentage of species I that make up the total community. The variety of species in a given community is inversely correlated with H value. The variety decreases with decreasing H values. A community with a H value of 0 has a single species. An indicator of how evenly distributed the species are in a community is the Shannon Equitability Index.

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you are working on a new medication to selectively kill cancer cells. you test the drug on a culture of normal neurons to check for any side effects. despite the presence of the drug, a normal resting membrane potential of

Answers

The normal resting membrane potential of preventing Na+-gated channels from opening

Time Course of (Fast) Inactivation.

The usual voltage-gated sodium channel opens on depolarization and closes hastily on repolarization or, extra slowly, on sustained depolarization. The latter technique is called inactivation and leaves the channel refractory for a while after repolarization.

Voltage-gated sodium channels are transmembrane proteins that open whilst the membrane ability of their area come to be depolarized, permitting the glide of sodium from the place of better concentration (generally the outside of the mobileular on the resting ability) to the location of decrease concentration (generally the indoor.

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The Virginia Plan contained the main features of the federal governmenttoday, includingA) a bill of rights.B) government departments.C) income taxes.D) three separate branches. stingy corporation is expected have ebit of $1.2m this year. stingy corporation is in the 30% tax bracket, will report $133,000 in depreciation, will make $76,000 in capital expenditures, and will have a $24,000 increase in net working capital this year. what is stingy's fcff? true/false ? the basic cycle of cpr for adults alternates two rescue breaths with 30 chest compressions. the health care provider has prescribed ranitidine for a hospitalized client on a unit. prior to administering the drug for the first time, which adverse effects should the nurse mention to the client? Find the least common multiple of 3, 8 and 12 Approximately how long after the big bang did the era of nucleosynthesis end, marking the time when the basic chemical composition of the universe was determined? Find the value of x. A. Square root 3, B.3 square root 2 over 2 a credit card provider uses a software to determine the likelihood of customers defaulting on their payments. the software assigns a credit score to each customer based on their past transactional records. this software is an example of a(n) system. question 7 options: a) bpr b) ai c) pm d) bi By 1854 what city did Chicago surpass in the grain trade?? ring stick up cam battery hd security camera with custom privacy controls, simple setup, works with alexa - white glass co. had net income of $70,000 during the year. depreciation expense was $10,000. the following information is available: accounts receivable increase $20,000 equipment gain on sale (sale price $100,000) 10,000 increase nontrade notes payable increase 50,000 equipment purchases 40,000 increase accounts payable increase 30,000 what amount should glass report as net cash provided by investing activities in its statement of cash flows for the year? in research using surveillance camera footage of public places, researchers observed actual fighting behavior and found that third parties:_____. concept testing involves taking a product idea to consumers to test their reactions. concept testing involves taking a product idea to consumers to test their reactions. false true Henry Villard was an investor who helped build theColumbia Basin Canal.Northern Pacific Railway.first transcontinental railroad.first gasoline-powered tractor. Which of the following is an example of discrete data?a.The volume of the pencil case.b.The length of the pencil case.c.The length of the pencil.d.The number of pencils in a pencil case.e,The time taken to close the pencil case. Under the Equal Pay Act, an employer can legitimately pay different wages to male and female employees on the basis ofa. the primary duties of the jobs. b. all of the choices. c. a seniority or merit system. d. any factor other than gender. - paying attention to portion sizes of foods- planning your daily eating pattern A female fish is homozygous dominant for both fancy fins (f) and shiny scales (s). She is crossed with a male who is heterozygous for both traits. What are the genotypes of these fish? (female; male). true or false: when looking for information, desktop users prefer a much shorter, to-the-point answer, while a mobile user is more likely to want a more detailed treatment of the subject. Line A contains the points (2, 6) and (4, 10). Line B contains thepoints (-2, 3) and (3, 13).1. Are the lines parallel? Explain your reasoning.