Offspring produced by asexual reproduction are genetically identical to either of their parents. Two parents contribute genetic material during sexual reproduction to create unique offspring.
Only the parent cell, which underwent meiosis and mitosis to divide into daughter cells, was engaged in the asexual method of replication. The merging of male and female gametes has enabled sexual reproduction to take place. As two cells fuse together to generate the progeny, the likelihood of variances or mutations has been increased in the sexual mode of reproduction. The same cell was divided into the daughter cell during asexual reproduction, reducing the likelihood of variations.
Hence, sexual reproduction is more advance then asexual reproduction.
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What kinds of cells engulf whatever foreign cells and molecules they encounter and recognize? Select one: a. phagocytic cells b. interferons c. platelets d. natural killer cells
Phagocytic cells engulf whatever foreign cells and molecules they encounter and recognize.
Phagocyte, type of cell that has the ability to ingest, and sometimes digest, foreign particles, such as bacteria, carbon, dust, or dye. By creating a vacuole around the foreign particle and expanding its cytoplasm into pseudopods (cytoplasmic appendages that resemble feet), it engulfs foreign objects. Because phagocytes send enzymes into the vacuole where digesting occurs, the ingested bacteria's poisons cannot harm the phagocyte as long as they are there. Neutrophilic leukocytes (microphages) and monocytes (macrophages), two categories of white blood cells, are phagocytic in the blood. Small, granular leukocytes called neutrophils quickly emerge at the site of an injury and devour germs.
Around three days after infection, monocytes, which are bigger and have a large, kidney-shaped nucleus, start to appear. They scavenge for bacteria, foreign objects, dead cells, and protozoa. The majority of phagocytic activity occurs among the cells, away from the circulatory system. For instance, fixed cells in the lymph nodes phagocytose foreign material in the lymphatic system; similarly, fixed cells in the spleen, liver, and bone marrow cleanse the vascular system by engulfing old red blood cells and foreign objects.
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A student makes a Venn diagram to compare the functions of carbohydrates and lipids.
Carbohydrates
Lipids
?
Which cellular function of carbohydrates and lipids should be placed in the shared section of
the Venn diagram?
A Hormone prodation
B Structural support of cell walls
C Energy storage
D Catalyst for chemical reactions
Lipids may both store and release energy. Lipids simply expel more quickly. There are numerous systems covered by energy storage technologies, which can be divided into five basic categories:
what are The significance of energy storageIn its most basic form, energy storage enables the saving of electricity at a later time when and place. As a result, the electric grid becomes more efficient and capable, and it can also lower greenhouse gas (GHG) emissions.
What type of energy storage is predominant?The majority of utility-scale power storage in the United States (95%) is provided by pumped-storage hydropower (PSH), making it the most widely used type of energy storage. Pumped-storage hydropower has grown by 2 gigawatts (GW) over the previous ten years, claims the U.S. Department of Energy (DOE).
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Which two forms of energy does the burning fire release?
The forms of energy does the burning fire release are radiant and chemical energy.
Oxygen helps the chemical approaches that arise at some point of hearthplace. When gasoline burns, it reacts with oxygen from the encompassing air, freeing warmness and producing combustion products (gases, smoke, embers, etc.). The real flames of the hearthplace are the discharge of a number of the warmth strength as light.
These additives have brought about the improvement of the 'hearthplace triangle' of gasoline, oxygen and warmness. Remove anybody of those and hearthplace can not preserve itself.
Chemical energy is transformed to thermal strength whilst human beings burn timber in a fire or burn fuel in a car's engine.For example, if you have a hearthplace burning to your fireplace, the chemical energy withinside the timber modifications into thermal (warmness) strength and radiant (light) strength.
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if nondisjunction occurs during meiosis, how many chromosomes will affected gametes have compared to normal gametes?
During meiosis I, homologous chromosomes fail to split if nondisjunction takes place. This results in unusual gametes, that have two copies of the chromosome in question or none at all.
Sister chromatids fail to split if meiosis II nondisjunction takes place. In this instance, 50% of the generated gametes are healthy haploid gametes, 25% of gametes have an additional chromosome, and 25% of gametes are missing a chromosome.
When a pair of homologous chromosomes fails to segregate or separate at anaphase, both of the pair's chromosomes pass to the same daughter cell. This most likely happens during meiosis, but it can also happen during mitosis to create a mosaic individual.
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Water and dissolved minerals are conducted from the roots to the stems and leaves via ___________, whereas sugar is conducted through specialized cells known as _____________
Water and dissolved minerals are conducted from the roots to the stems and leaves via xylem whereas sugar is conducted through specialized cells known as sieve cell.
The term “sieve” refers back to the cease partitions which can be pierced via way of means of clusters of pores via which the protoplasts of adjoining sieve tube contributors are interconnected. Xylem tissue transports water and vitamins from the roots to distinctive elements of the plant, and consists of vessel factors and tracheids, each of that are tubular, elongated cells that behavior water.
Xylem tissue conducts water and mineral vitamins from the soil upward in plant roots and stems. It consists of elongate cells with pointed ends referred to as tracheids, and shorter, wider cells referred to as vessel factors. The partitions of those cells are closely lignified, with openings withinside the partitions referred to as pits.
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on isle royale, if the moose population is very high, what would you expect to see with regard to other populations?
An ongoing observation of the wolf-moose relationship has confirmed that the 2 massive animals are uniquely interdependent. Wolves are the only herbal predator for the moose, and moose make up a few ninety percent of the wolves' diets (the relaxation is beavers and snowshoe hares).
The moose populace of Isle Royale has fluctuated over the years. for the reason that 1980, the population has been as low as 500 animals and as excessive as 2, four hundred. The fluctuation of the population is at once linked to the vegetation and predators of the island.
The Isle Royale wolf populace has changed over the years considering that their first immigration was in the past due 1940s. The wolf population declined extensively in 1980 and once more in 2012 because of a mixture of activities together with ailment, weather trade, random activities, and loss of genetic range.
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Animals breathe in air containing oxygen and breathe out air containing less oxygen. the consumed oxygen is used?
In the respiratory electron transport chain, the oxygen that is consumed is employed as an electron acceptor.
The electron transport chain is a process that transfers electrons from compounds that are electron donors to compounds that are electron acceptors in the realm of biology. A sequence of redox processes take place in the mitochondrial matrix to form the electron transport chain.
When an animal breathes in air, the oxygen they consume acts as an electron acceptor in the process of the respiratory electron chain. By receiving two electrons and travelling through the electron transport chain, the oxygen that has been consumed is transformed into an ion.
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At which point is swampland located?
1
2
3
4
An example of mitosis at work is a leaf
a) turning yellow.
b) growing.
c) taking in carbon dioxide.
d) performing photosynthesis.
i just need the letter :)
Answer:
B
Explanation:
Answer:
i believe the answer is b
Slave soldiers who converted to islam and became fiercely loyal warriors for the ottoman empire were: _________
Slave soldiers who converted to islam and became fiercely loyal warriors for the ottoman empire were: Janissaries .
What was the name of the Ottoman slave soldiers?Mamluk, usually spelled Mameluke, is a term for a slave soldier who served during one of the armies with slaves formed during the Abbasid dynasty and eventually succeeded in seizing political control of a number of Muslim kingdoms.
What did the Ottoman Empire call Janissaries?When Reign Of sultan Murad I established the Janissaries, an elite standing army of infantrymen, in the early 14th century. The name derives from the Turkish word yeniçeri, which means "young soldier."They were technically the sultan's slaves, but over the years they served as musketeers, crossbowmen, and bowmen.
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how did the experiment with prostigmine performed by fatt and katz (see diagram below) support the hypothesis that acetylcholine molecules were released from the presynaptic (and not the postsynaptic) side of the neuromuscular junction (nmj)?
In neuromuscular junctions, acetylcholine (ACh) produced from motor neuron axonal terminals controls the efficiency of neurotransmission by activating presynaptic nicotinic and muscarinic autoreceptors.
At neuromuscular junctions, synapses in the ganglia of the visceral motor system, and several other locations throughout the central nervous system, acetylcholine functions as a neurotransmitter. The terminal terminals of a motor nerve and a muscle (skeletal, smooth, or cardiac) meet to form the neuromuscular junction (NMJ), a synaptic connection. It is the location from which the nerve sends the muscle's action potential. It serves as both a location for many diseases and a site of action for a range of medications.
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The growth hormone axis contains at least one example of a negative feedback loop.
True or False
It is true that the growth hormone axis contains at least one example of a negative feedback loop.
Two different kinds of negative feedback loops are involved in controlling the hypothalamus-pituitary axis. Long-loop feedback and short-loop feedback are the two types.
The growth hormone-releasing hormone (GHRH) synthesis and secretion from the hypothalamus are blocked by pituitary hormones in short-loop feedback. This will result in the inhibition of GH secretion.
In long-loop feedback, the release of insulin-like growth factor 1 (IGF-1) from the endocrine part of the liver blocks the GHRH secretion and synthesis by the anterior pituitary and the hypothalamus. This also thus results in the inhibition of GH secretion.
Therefore, the statement is true.
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During the process of transpiration, water is pulled up from the roots and into the leaves of the plant for use during photosynthesis. If the plant has excess water in the leaves, transpiration releases this water into the air. Based on the description of transpiration, what internal and external conditions would most likely cause this process to occur?.
If the plant is releasing water into the air, that must mean that there is an excess of water in the plant, and photosynthesis can only occur when sunlight is present.
What is photosynthesis?
Photosynthesis is essential to most life on Earth. Plants, algae, and some types of bacteria carry out the process by capturing solar energy to create oxygen (O2) and chemical energy stored in glucose (a sugar). Consequently, herbivores get this energy from consuming plants, and carnivores get it from eating herbivores.
Plants absorb water (H2O) and carbon dioxide (CO2) from the soil and atmosphere during photosynthesis. Water is oxidized, which means it loses electrons, while carbon dioxide is reduced, which means it receives electrons, inside the plant cell. Water is converted into oxygen and carbon dioxide into glucose as a result. After storing energy within the glucose molecules, the plant releases the oxygen back into the atmosphere.
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Who has the right of way at an uncontrolled intersection in California?
When two vehicles reach an uncontrolled intersection at the same time, the vehicle on the right has the right of way in California.
Give way to cars and pedestrians on the through route at "T" crossings without "STOP" or "YIELD" signs. The path should be taken by them.
All approaching cars that are near enough to be dangerous must yield the right-of-way when you make a left. Search for motorcycles, bicycles, and pedestrians as well.
Keep your wheels pointed straight ahead as you wait to make a left turn until it is safe to begin the turn. You can be forced into oncoming traffic if you have your wheels oriented to the left and a car hits you from behind.
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many neurons of joints help to inform the brain about the activity of the joint, including pain or position of the joint. these types of neurons are classified as _____________________ neurons.
The answer lies in afferent somatic neurons. Numerous neurons in joints help transmit information about the joint activity, such as pain or position, to the brain. Afferent somatic neurons are the type of neurons these neurons belong to.
Afferent neurons, also called sensory neurons, are nerve fibers that transmit sensory information from the external environment to the brain. Somatic afferent neurons, which are sensory neurons, carry impulses that are started by receptors in the skin, skeletal muscle, tendon, and joint. Exteroceptors are the name for the receptors in the skin that detect touch, pressure, temperature, and pain. The cranial nerves II and VIII have specific somatic afferent fibers that convey sensory impulses from the special senses.
Therefore, we can conclude that the solution is afferent somatic neurons, which are found in numerous joints and help to notify the brain about joint activity, such as pain or position.
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which u.s. regulatory agency oversees guidelines and laws that govern environmental applications of biotechnology and other sciences?
Environmental Protection Agency of the United States This covers the control of pesticides produced by an environmental applications using contemporary biotechnology methods.
Under the Federal Insecticide, Fungicide, and Rodenticide Act and the biotechnology Toxic Substances Control Act, the EPA regulates pesticides, including genetically modified pesticides environmental applications. The legislative specifications for the EPA's registration procedure for all pesticides are provided by this legislation. biotechnology mandates that EPA thoroughly assess a pesticide's proposed use to guarantee that it won't pose unreasonably high risks of harm to human health or the environment before it releases. Plants that have undergone biotechnology genetic modification
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The symptoms of diphtheria are due to an exotoxin that blocks proteins synthesis in host cells.a. True
b. False
The statement that the symptoms of diphtheria are due to an exotoxin that blocks protein synthesis in host cells is true.
The pathogenic bacterium Corynebacterium diphtheriae, which causes diphtheria, secretes the exotoxin known as diphtheria toxin. A prophage known as corynephage encodes the toxin gene. By entering the cell cytoplasm and preventing protein synthesis, the toxin causes sickness in humans. A toxin may be produced by bacteria that cause diphtheria. This toxin causes tissue damage in the infection's immediate vicinity, typically the nose and throat. An unyielding, grey membrane composed of bacteria, dead cells, and other elements develops at that location as a result of the infection. Breathing may be restricted by this membrane.
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Both Gymnosperms and Angiosperms bear seeds, then why are they classified separately?
In gymnosperms the seeds are not produced inside the fruit but in angiosperms the seeds are enclosed inside the fruit so they are classified separately.
In general ,Gymnosperms are considered as flowerless plants and are not enclosed inside seeds whereas angiosperms are plants that have flowers. Adding to this, the difference or the basis of classification is on the presence of an ovary.
Hence, gymnosperms and angiosperms both bears seeds, and they are also classified differently . The reason behind this is in case of gymnosperms the seeds are not produced inside the fruit but in case of angiosperms the seeds are enclosed inside the fruit.
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How many mph is 45km/s 1mile= 1.609 Kilometers
Answer:72.405
Explanation:
comparisons of bone size and osteoarthritis between agriculturalists and their hunting and gathering ancestors indicate that agricultural populations generally engaged in more strenuous activities.
a. true
b. false
Bone size and osteoarthritis comparisons between agriculturalists and their hunting and gathering ancestors show that agricultural populations engaged in more strenuous activities. This statement is False.
The most common type of arthritis, affecting millions of people worldwide, is osteoarthritis. It happens over time as the protective cartilage that cushions the ends of the bones wears down. Although osteoarthritis can affect any joint, it most commonly affects the hands, knees, hips, and spine.
Previous joint injury, abnormal joint or limb development, and inherited factors are all potential causes. Overweight people, people with different leg lengths, and people who work in jobs that cause a lot of joint stress are at a higher risk. In contrast to rheumatoid arthritis, the joints in osteoarthritis do not become hot or red.
Treatment includes exercise, decreasing joint stress such as by rest or use of a cane, support groups, and pain medications. Another treatment option for osteoarthritis is stem cell transplantation, which involves injecting patients with allogenic mesenchymal stem cells or autologous chondrocytes.
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How does the final paragraph relate to the main idea of the article?
Other sentences within a paragraph relate to the main idea. The final “wrap-up” sentence within a paragraph often reinforces the main idea. The main idea of a passage is important
Answer:
The final paragraph of an article, story, or essay is normally the restatement of the thesis or main idea. I hope this helped! Brainliest is much appreciated!
true or false: the portion of the diencephalon, immediately inferior to the thalamus which contains ascending and descending tracts and the subthalamic nuclei is the hypothalamus.true false question.truefalse
False; the region of the diencephalon that is directly underneath the thalamus and comprises the subthalamic nuclei, ascending and descending pathways, is the hypothalamus.
The diencephalon's most inferior section is the hypothalamus. Subthalamic nuclei are absent from it. The central thalamus and epithalamus are formed by the lateral diencephalon walls in a superior fashion. The subthalamus and hypothalamus are formed beneath them. The components on each side of the third ventricle make up the thalamus, which serves as an anatomical marker. The diencephalon's subthalamic nucleus is a tiny lens-shaped structure situated close to the diencephalon's midbrain junction.
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the parasympathetic nervous system is characterized by peripheral ganglia near the
The parasympathetic nervous system is characterized by peripheral ganglia near the Organs and short post ganglionic fibers.
What is parasympathetic nervous system?
Your autonomic nervous system includes your parasympathetic nervous system. It might be referred to as your "automatic" nervous system because it controls many processes that you don't need to think about. Among other things, this can include managing your heart rate, blood pressure, digestion, urination, and perspiration.
Your sympathetic nervous system is balanced by the parasympathetic portion of your autonomic nervous system. Your body's "fight or flight" response is regulated by your sympathetic nervous system, while the "rest and digest" response is regulated by your parasympathetic nervous system.
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Write the organs involved in protein secretion in order from start to finish
Answer:
The organs involved in protein secretion are the liver, the pancreas, and the small intestine.
Explanation:
The liver produces enzymes that break down proteins into amino acids.
The pancreas produces enzymes that further break down the amino acids into peptides.
The small intestine absorbs the peptides and transports them to the bloodstream.
some mites are thought to be a normal inhabitant on the skin of many animals, like dogs and cats. question 1 options: true false
True, On the skin of many animals, including dogs and cats, certain mites (parasites) are known to be a common resident.
Either endoparasites mites , which can either be intracellular or intercellular (inhabiting cells in the host's body), or skin ectoparasites, which reside on the surface of the skin host's body and do not often cause disease in the host, include animals ticks, fleas, leeches, mites and lice. A tight association between species is called parasitism of mites , in which one creature, the parasite, inhabits or lives on another skin , the host, harming it in some manner and becoming structurally adapted to this mode of life.
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Of these influences, which appears to be the initial source of gender segregation? A) establishment of gender constancy. B) peer pressure
Differences in behavioral styles and interests appear to be the initial source of gender segregation.
The precept of Segregation describes about how pairs of gene variants are separated into reproductive cells. The segregation of gene versions referred to as alleles, and their corresponding trends changed first determined by using Gregor Mendel in 1865.
The law of segregation states that every person that could be a diploid has a pair of alleles (replica) for a specific trait. Each discerns passes an allele at random to their offspring resulting in a diploid organism.
Chromosome segregation—the partitioning of genetic material into two daughter cells—is one of the most critical techniques in cellular division.
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dentify the cranial nerve, which innervates intrinsic and extrinsic tongue muscles. Vagus Facial Glossopharyngeal Hypoglossal Trigeminal
The nerve that provides innervation to the intrinsic and extrinsic tongue muscles is the hypoglossal nerve.
Cranial nerves are nerves that support the function of the five senses and muscle movement by receiving stimuli and conveying information from the brain to be sent to other members of the body to respond. In the cranial nerves there is a type of XII nerve, namely the hypoglossal nerve which is responsible for the muscles in the tongue.
The hypoglossal nerve is located near the meridian line, cranial from the caudal border of the medulla oblongata until it almost reaches the border of the medulla oblongata and the pons. The hypoglossal nerve (CN XII) provides motor innervation to all the intrinsic and extrinsic muscles of the tongue. There are three extrinsic muscles in the tongue, namely the genloglossus, hypoglossus, and stylogossus which are also intervened by the hypoglossal nerve. The hypoglossal nerve will move the tongue muscles to start moving, swallowing and speaking.
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classify each of the characteristics as pertaining to gene regulation in either prokaryotes or eukaryotes.
a. DNA does not contain introns.
b. Some genes are organized into operons, and mRNA transcripts often specify more than one protein.
c. Transcription occurs in the nucleus, whereas translation occurs in the cytoplasm mRNA splicing must occur to remove introns.
d. Genes are located on different chromosomes
e. Transcription and translation occur in the cytoplasm
1. Prokaryotic gene regulation 2. Eukaryotic gene regulation
Prokaryotic gene regulation: Genes are located on one chromosome, Some genes are organized into operons, and mRNA transcripts often specify more than one protein, Transcription and translation occur in the cytoplasm.
Eukaryotic gene regulation: Genes are located on different chromosomes, mRNA splicing must occur to remove introns, Transcription occurs in the nucleus, whereas translation occurs in the cytoplasm.
What is gene regulation?
The mechanism by which genes are regulated affects when, where, and how much they are expressed. Regulation of proteins and chemical modifications to DNA are only two of the many methods that may be used to carry out the process, which can be intricate. The ability of an organism to react to environmental changes depends on gene control.
One of the key functions that a cell does and one to which a significant portion of its energy is allocated is gene regulation. Gene regulation is one of the fundamental processes that a cell carries out in order to create the transcripts that will result in the proteins. To regulate, so that you can precisely control how a cell will behave in the context of stress, the growth of the organism, or repair, is also something to which a significant portion of the genome of the cell is presumably committed.
Hence all about gene regulation
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Are all the molecules in the reactants of photosynthesis converted to products, or are some lost?
In this passage, what animals does dickens compare smoke and machinery to? a serpent and an elephant a chimney and a monster a black canal and a steam-engine a piston and an elephant.
A personification example can be found in this passage. In this line, Dickens compares smoke and machinery to reptiles and elephants.
A personification example can be found in this passage. Dickens contrasts.Personification is a figure of speech where a living entity is compared to the traits of non-living entities. Personification is another name for the purpose of representing intangible attributes.Charles Dickens' poetry is where the aforementioned passage is drawn from. Dickens compares smoke to a serpent and machinery to an elephant in the passage.Personification has been used to show how smoke and machinery are entirely abstract attributes compared to qualities possessed by animals like serpents and elephants.Therefore, option A; in the portion of the poem above, Dickens used personification to link smoke and machinery to creatures like serpents and elephants.To know more about personification check the below link:
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Answer:
(A) a serpent and an elephant
Explanation:
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