Answer:
true
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Electron transport chain can be defined as the series of organic molecules and proteins which are embedded in the inner membrane of mitochondria. These molecules are involved in the shutting of electrons from FADH2 and NADH to the [tex]O_{2}[/tex].
The molecular oxygen is the final electron acceptor in this electron transport chain that leads to the formation of water and ATP as the end products. This chain takes place in the mitochondria in both animal and plant cells.
Hence, the given statement is true.
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What enzyme is needed to synthesize DNA by adding nucleotides to DNA that are complementary to the template?
A)
helicase
B)
nuclease
topoisomerase
D)
DNA polymerase
Answer:D
Explanation:
Seems right to me
Answer: DNA Polymerase
Explanation: DID IT ON USATP
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In a separate study, 68 rock pocket mice were collected from four different, widely separated areas of dark lava rock. One collecting site was in Sonora, Mexico. The other three were in Chihuahua, Mexico. Dr. Nachman and colleagues observed no significant differences in the color of the rocks in the four locations sampled. However, the dark-colored mice from the three Chihuahua locations were slightly darker than the dark-colored mice from the Sonora population. The entire Mc1r gene was sequenced in all 68 of the mice collected. The mutations responsible for the dark fur color in the Sonora mice were absent from the three different populations of Chihuahua mice. No Mc1r mutations were associated with dark fur color in the Chihuahua populations. These findings suggest that adaptive dark coloration has occurred at least twice in the rock pocket mouse and that these similar phenotypic changes have different genetic bases.
Complete question:
In a separate study, 68 rock pocket mice were collected from four different, widely separated areas of dark lava rock. One collecting site was in Sonora, Mexico. The other three were in Chihuahua, Mexico. Dr. Nachman and colleagues observed no significant differences in the color of the rocks in the four locations sampled. However, the dark-colored mice from the three Chihuahua locations were slightly darker than the dark-colored mice from the Sonora population. The entire Mc1r gene was sequenced in all 68 of the mice collected. The mutations responsible for the dark fur color in the Sonora mice were absent from the three different populations of Chihuahua mice. No Mc1r mutations were associated with dark fur color in the Chihuahua populations. These findings suggest that adaptive dark coloration has occurred at least twice in the rock pocket mouse and that these similar phenotypic changes have different genetic bases.
How does this study support the concept that natural selection is not random?
Answer:
The study supports the concept that natural selection is not random because in different areas with the same or very similar environmental characteristics, the same phenotype was produced by different types of mutations.
Explanation:
All of the sampled animals are inhabiting dark substrate. Probably animals needed to camouflage to survive. Natural selection must have driven them to produce dark color, similar to the substrate color. So animals from the different regions suffered different mutations that drove them to have almost the same dark fur color. The environmental condition is favoring the same phenotype.
What is soil structure?
Answer:
Soil structure is defined by the way individual particles of sand, silt, and clay are assembled. Single particles when assembled appear as larger particles. These are called aggregates.
Explanation:
Aggregation of soil particles can occur in different patterns, resulting in different soil structures. The circulation of water in the soil varies greatly according to structure, Therefore, it is important for you to know about the structure of the soil where you plan to build a fish-farm. Although you may not be able to assemble all this information yourself, the specialized technicians from the soil testing laboratory will be able to provide it after examining your undisturbed soil samples. They will be able to tell you if your soil has bad structure or good structure (pores/capillary canals, network, etc.). They will also be able to tell you about the degree of water circulation or permeability.
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MARKING BRANELIST
Answer:
I think the answers probably b
What are the nervous and endocrine systems controlling to maintain homeostasis?
O A. the body's nitrogen levels
B. the body's internal environment
OCthe body's external skin and hair
0
D. the body's support for movement
Answer:
B. the body's internal environment
Explanation:
Homeostasis is defined as the process of maintaining the internal environment of the body.
All the systems work together to maintain homeostasis. The nervous and endocrine systems are two important system that helps in maintaining homeostasis.
The nervous and endocrine systems are linked with hypothalamus that controls the internal environment of the body by releasing and inhibiting hormones. These hormones keep pH, temperature, and other internal conditions stable that support homeostasis.
Hence, the correct answer is "B. the body's internal environment".
You are studying brain cells and you discover a protein neurotransmitter that you
think might be useful. You know the amino acid sequence of the neurotransmitter.
Explain:
a) how you would isolate and identify the neurotransmitter gene
b) how you would produce multiple copies of the gene for study
c) how you would produce large quantities of the neurotransmitter to see if it could be
used as a potential medication.
e
Which is true regarding both mitosis
and meiosis?
A Both occur in only animal cells
B. All organisms go through both
mitosis and meiosis
C. They are both involved in cell division
D. None of the above
EuteckOut
bobof
Answer:
The correct answer is B. All organisms go through both mitosis and meiosis.
Explanation:
The same mechanisms of chromosomal segregation are at work in both mitosis and meiosis -- centrosomes, microtubules and motor proteins. Both mitosis and meiosis are multistage processes. The stages are interphase, prophase, metaphase, anaphase and telophase. The same general processes occur in each of these stages for mitosis and meiosis.
name two characteristics that all these animal share ( frog, buck, doves, lizard, dragonflies )
Answer:
They all have a beating heart, and a brain
Explanation:
Beating the heart and a brain is the two characteristics that all these animal shares frog, buck, doves, lizard, and dragonflies.
What are the different characteristics of animals?Frogs are cold-blooded animals and are classified into the class of amphibians, they are vertebrate animals with backbones.
The lizard was included in the class reptilia, they are creeping and burrowing terrestrial animals situated on the land, and also have scales on their body. Similar to the frog, they are also cold-blooded animals having a backbone.
The major classification of the animals is done by the presence of a backbone, which differentiates them in vertebrates and invertebrates.
Therefore, in the given question all the animals share common feature of having a heart and brain.
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Which is NOT a part of cell theory?
A. The basic unit of life is a cell.
B. All cells are produced from other living cells.
C. All cells need light to live.
D. All organisms are made of cell.
Which enzyme functions to prevent supercoiling of the DNA molecule during replication?
A)
Helicase
B)
Topoisomerase
C)
RNA polymerase
D)
DNA polymerase
Answer:
B
Explanation:
Which nucleic acid serves as a strand for protein synthesis?
a. tRNA
b. ribosome
c.mRNA
d.dATP
Answer:
c.mRNA...............
Linnaeus based one of his classification categories on plants. He even named the Kingdom Plantae. Which best describes the organisms in this kingdom?
A. They are autotrophic and have eukaryotic cells
B. They are made of prokaryotic cells
C. They are multicellular and do not have cell walls
D. They are always single celled and produce their own food
Answer:
b
Explanation:
all plants are make of prokaryotic cells.
true or false the fertilized ovary develops into a seed
Answer:
true
Explanation:
I've done this it's TRUE
Which of the following tropisms are the
same as geotropism?
a. thigmotropism
b. hydrotropism
c. phototropism
d. gravitropism
Answer:
d
Explanation:
d.gravitropism as it's both going downwards
what are the the four main categories of organic macromolecules ?
Answer:
There are four major classes of biological macromolecules (carbohydrates, lipids, proteins, and nucleic acids), and each is an important component of the cell and performs a wide array of functions.
Four main categories of organic macromolecules are as follow:
carbohydratelipidsproteinsnucleic acidWhat are macromolecules?Macromolecules are polymers containing long chains of molecular sub-units known as monomers. These play an important role in biophysical processes and composed of thousands of atoms that are covalently bonded.
Carbohydrate is a biomolecule having carbon, hydrogen and oxygen atom.It is the main source of energy of the body.
Lipids are macromolecules that are insoluble in water and the main function is to serve as structural component of cell membrane.
Proteins are macromolecules that are extremely complex in structure and made up of amino acid residues joined by peptide bonds.
Nucleic acids are biopolymer macromolecules and composed of nucleotide. The function is to carry genetic information which helps to make RNA.
Therefore,Four main categories of organic macromolecules are as follow:
carbohydratelipidsproteinsnucleic acidLearn more about macromolecules here:
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1 pe If a fox has 15 pairs of chromosomes in it's lung cell , how many total chromosomes are in it's eye cell? (type the number only) * Your answer
El mundo comas en el oya, pedthon el numbaras.
Explain what would happen if the leaf tissue is kept at high temperature during the process of cell isolation
Answer:
Wilting of leaves occur.
Explanation:
if the leaf tissue is kept at high temperature during the process of cell isolation the leaf will shrink because of loss of all water. Due to high, temperature the stomata will be open and water is removed in order to remove heat from the body. A time comes that all water that is present in the cell will be removed and as a result wilting of leaves occur.
CAN SOMEONE PLEASE HELP ME WITH THIS SCIENCE QUESTION I WILL MARK YOU BRAINLIEST THANK YOU !!!
Answer:
Light
Explanation:
Why would a good light bulb produce these if its a good light bulb?
How many NAD+ become NADH during glycolysis, starting with one molecule of glucose?
a. none
b.1
c.2
d.6
Answer:
d.6
Explanation:
Step 6 is the first step in which NAD+ is reduced to form NADH. Two NADH molecules are formed for every one glucose molecule.
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Introspection is one of the many sleeping disorders experienced
by people with sleep apnea.
Select one:
True
False
Answer:
The statement is false.
Explanation:
Sleep apnea is a respiratory disease characterized by the fact that people who suffer from it habitually snore, have repeated stops of breathing (apneas) and drowsiness during the day. As a consequence, patients who suffer from it cannot rest well during the hours of sleep.The obstruction of breathing causes a decrease in oxygen levels in the body, the persistence of this lack of oxygen could cause pulmonary hypertension and a future right-sided heart failure or myocarditis. Introspection, on the other hand, is the immediate reflective capacity of the human mind to know its own states; it is not associated with sleep apnea.
Humans originated in Africa about 7 million years ago: if life on earth started 3.5bya ago and represented 24 hours from then to today, how many minutes of these 24 hours would be devoted to this 24-hour clock
a) since the first humans showed up?
b) since Humans showed up 300,000 ya?
What factor causes global wind patterns
Answer:
the Coriolis effect
Explanation:
the earths rotation causes wind also known as the coriolis effect
Answer:
unequal heating of Earth's surface by the Sun
Explanation:
What best describes the structure of dna
[tex]\huge{\textbf{\textsf{{\color{pink}{An}}{\red{sw}}{\orange{er}} {\color{yellow}{:}}}}}[/tex]
A double helix. It best describes the structure of a DNA molecule. Moreover, the DNA is not a single stranded and it does not comprise amino acids
Which substance has a low albedo?
A. A black asphalt road
OB. A beach of white sand
O O O
C. A shiny building
D. An iceberg
how would planting more biodiversity be better for ecosystems? and how would it be better for farmers?
answer:
biodiversity provides functioning ecosystems that supply oxygen, clean air, and water, pollination of plants, pest control, wastewater treatment, and many ecosystem services. seeing as how biodiversity is the basis of agriculture and our food systems. agricultural biodiversity also performs ecosystem services such as soil and water conservation, maintenance of soil fertility, conservation of biota, and pollination of plants, all of which are essential for food production and for human survival.
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Chromosomes are...
A.DNA material coiled up in a pile
B.DNA material in pairs
C. DNA material in single strands
D. DNA material outside of the nuclear membrane
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why are they called amino acids?
Answer:
You stated why it is called an amino acid, the name comes from the amine (amino) and the carboxylic acid (carboxyl group). Amines are weak bases, so the acid portion of the name must come from the carboxylic acid
Explanation:
hope it will help you
what enzyme helps digest lipids?
- lactase
- amylase
- cellulase
- lipase
Answer:
The answer is lipase
Hope this help
Explanation:I did the test
A seed contains
A) cotyledons
B) xylem
C) stoma
D) phloem
answer:
a) cotyledons
explanation