In which step of cellular respiration is oxygen consumption significant?
Answers
Answer:
accepting electrons at the end of the electron transport chain.
Explanation:
In oxidative phosphorylation, one of the major steps of cellular respiration, oxygen consumption is significant.
What is Cellular respiration?Cellular respiration may be defined as a complete set of processes that involves the breakdown of food molecules in the cell with the termination of energy for metabolism.
There are three stages of cellular respiration which are significantly known. They are pyruvate oxidation, the Kreb cycle, and oxidative phosphorylation.
Only oxidative phosphorylation requires oxygen in order to complete, while the rest of the two processes do not require direct oxygen but yes they can not be successfully terminated without oxidative phosphorylation.
Therefore, in oxidative phosphorylation, one of the major steps of cellular respiration, oxygen consumption is significant.
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Related Questions
Which structure is unique to eukaryotic cells?
ODNA
O cell membrane
O ribosomes
O nucleus
Answers
The nucleus is unique to the eukaryotes. Therefore, option “D” is correct.
What are cellular organelles?They are subcellular structures that perform specific functions in the cell body. Mitochondria, nucleus, endoplasmic reticulum, ribosome, vacuoles, Golgi apparatus, and vesicles. Cellular organelles differ in different domains of organisms.
Mitochondria is the powerhouse of the cell. The nucleus is the most important organelle as genetic material is stored. Ribosomes are the amino acid-synthesizing machinery. The endoplasmic reticulum is where lipid and protein synthesis takes place. Golgi apparatus is the packing center.
Cellular organelles are submachines of the cellular body. They play an important part in the overall working of the body.
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A deer lives in a forest. It feeds on plants and drinks from a lake. What is the name for the forest that the deer lives in
Answers
Hind forests and stag forests are so called because of the tendencies of red deer to form large, single-sex herds outside the autumn rutting time, and most forests hold either a resident stag herd or a hind herd for much of the year.
after fertilization of the ovule, the develops into the food supply of the mature seed.
Answers
After fertilization of the ovule, the endosperm develops into the food supply of the mature seed.
In angiosperms (flowering plants), after fertilization of the ovule by the sperm cell, the zygote develops into an embryo, which is protected by the seed coat and surrounded by the endosperm.
The endosperm is a tissue that provides nutrients to the developing embryo and eventually becomes the food supply for the mature seed. The endosperm is triploid, meaning it has three sets of chromosomes, one contributed by the female parent and two contributed by the male parent.
The embryo and endosperm are usually surrounded by a protective seed coat, which helps to prevent desiccation and damage to the embryo during seed dormancy.
The development of the endosperm is crucial for the successful reproduction of angiosperms, as it provides the nutrients needed for the embryo to develop and survive until it can establish itself as a new plant.
The complete question is:
After fertilization of the ovule, the ________ develops into the food supply of the mature seed.
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what are all of the possible parental crosses that could give rise to offspring with all of the above phenotype combinations
Answers
In a simple monohybrid cross where one trait is being studied and the mode of inheritance is Mendelian, there are four possible parental crosses that could give rise to offspring with all possible combinations of phenotypes:
Homozygous dominant x homozygous recessive
Heterozygous dominant x homozygous recessive
Heterozygous dominant x homozygous dominant
Homozygous dominant x heterozygous dominant
The resulting offspring of these crosses can then exhibit different phenotype combinations depending on the specific genotype of each parent and the mode of inheritance of the trait being studied.
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All of the parental crosses that could give rise to offspring with all of these phenotypes would be any cross between two individuals that are heterozygous (i.e., RrYy) for both traits.
What is a phenotype?
A phenotype refers to the observable characteristics of an organism, such as its physical appearance or behavior. A parental cross is a breeding experiment where two individuals with different traits are crossed to produce offspring. Finally, the offspring are the progeny resulting from a parental cross.
Possible parental crosses:
With that in mind, let's consider the possible parental crosses that could give rise to offspring with all of the above phenotype combinations. It's important to note that the specific phenotype combinations you're referring to are not specified in your question, so I will assume that you are asking about all possible combinations of traits.
1. Both traits match one parent's phenotype (e.g., if the parental cross is RRYY x rryy, all offspring will have round yellow seeds)
2. Both traits are a mix of the parents' phenotypes (e.g., if the parental cross is RrYy x RrYy, the offspring could have round yellow, round green, wrinkled yellow, or wrinkled green seeds in a 9:3:3:1 ratio)
3. One trait matches one parent's phenotype, while the other matches the other parent's phenotype (e.g., if the parental cross is RRYY x rryy, all offspring will have round yellow seeds)
4. Both traits are completely different from either parent's phenotype (e.g., if the parental cross is RrYy x rryy, all offspring will have round yellow seeds).
Given these four possible combinations, the parental crosses that could give rise to offspring with all of these phenotypes would be any cross between two individuals that are heterozygous (i.e., RrYy) for both traits. This is because a cross between two heterozygotes would produce offspring in a 9:3:3:1 ratio, which includes all four of the possible phenotype combinations.
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"If a scientist isolates genes for Hepatitus B antigens from a Hepatitus virus, then inserts them into a bacterial plasmid and replicates the bacteria in a fermenter, what product will be collected?"A. Transgenic bacterial plasmidsB. Hepatitus B frusesC. Hepatitus B vaccineD. Hepatitus resistant bacteria
Answers
If a scientist isolates genes for Hepatitus B antigens from a Hepatitus virus, then inserts them into a bacterial plasmid and replicates the bacteria in a fermenter, the product collected will be transgenic bacterial plasmids, inside the bacteria, in order to proove if the transgenic plasmid actually gives the bacteria resistance to the virus, it has to be grown in an infected medium.
The correct answer is option A.
Which statement best describes the distribution of
resources around the earth?
Please help me :(
Answers
Answer:
Resource distribution refers to the geographic occurrence of resources on earth. In other words, where resources are located. Any particular place may be rich in the resources people desire and poor in others. As a result, resources are distributed unevenly across the globe.
Explanation:
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Wind, water, and ice are often involved in weathering and erosion, which can cause changes on Earth’s surface. However, weathering and erosion are not the same processes. Which of the following statements best describes how these two processes are different?
Answers
Answer:
Weathering and erosion constantly change the rocky landscape of Earth. Weathering wears away exposed surfaces over time. The length of exposure often contributes to how vulnerable a rock is to weathering
phylogenies represent how different species or groups of organisms may be related through evolutionary time.
Answers
DNA-DNA hybridisation is used to check the similarity in organisms.
What is evolution?
Evolution is defined as change in the characteristics that acquired heritableyand of population exposed to generations which are successive. There are several stages of evolution through which an organism pass to achieve the evolution and these are mutation, after that genetic recombination, reproduction isolation, and natural selection.
The neck of the giraffe is the best example of evolution as the time change the length of the neck of the giraffe becomes long because due to height of tree they strech their neck and due to practice over a long time the evolution takes place and their neck become long in length. Evolution is a time taking or long process.
Therefore, DNA-DNA hybridisation is used to check the similarity in organisms.
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clonal selection question 10 options: a) happens only when b cells become plasma cells. b) happens only with b cells that produce ige. c) affects only memory cells. d) occurs with both t cells and b cells.
Answers
Clonal selection occurs with both T cells and B cells.
Define clonal selection.
To respond to infections, the body creates B and T cells through a process known as clonal selection. These cells can recognize particular viruses because they each have a different set of receptors. The B and T cells that can identify the intruder grow quickly to produce an army of cells to combat the infection when it enters the host.
Random mutations during clonal expansion result in the development of B cells with higher antibody-binding affinity for their antigens during clonal selection. Secondary immune responses are so successful at preventing reinfection by the same pathogen, which may be explained by the clonal selection hypothesis.
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The graphs above show a change in distribution of beak phenotypes X, Y, and Z over 10 generations. Notice that Beak X completely disappears from the population by Generation 5, but reappears by Generation 10. Could this occur in nature? How?
Answers
A, Yes, the alleles for Beak X could remain in the population as a recessive gene.
What is the rationale behind it?Recessive genes. The alleles for beak X could remain in the population as recessive genes. This means that birds with beak X would still be able to pass on the genes for beak X to their offspring, even if they themselves did not have beak X. If two birds with the recessive gene for beak X mated, their offspring would have a 25% chance of having beak X.
Mutation. The birds could mutate their beaks in response to a change in the environment. This could lead to the appearance of beak X, even if the gene for beak X was not present in the population before.
Random chance. Genetic mutation is so frequent that it is possible for beak X to reappear randomly by generation 10. This is especially likely if the environment is changing and there is a selective advantage for birds with beak X.
In conclusion, it is possible for beak X to reappear after 5 generations in nature. This could happen through the inheritance of recessive genes, mutation, or random chance.
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Complete question:
The graphs above show a change in distribution of beak phenotype X, Y, and Z over 10 generations. Notice that Beak X completely disappears from the population by Generation 5, but reappears by Generation 10. Could this occur in nature? How?
Yes, the alleles for Beak X could remain in the population as a recessive gene.
Yes, the birds could mutate their beaks in response to a change in the environment.
Yes, genetic mutation is so frequent that Beak X will likely reappear randomly by Generation 10.
No, once birds with Beak X are extinct, they cannot appear again.
(a) Christina wants to increase the number of eggs per year by using selective breeding.
(i)Which two chickens should she breed together?
(ii) Christina chooses chickens to breed from the offspring.
Which ones should she choose?
Answers
Simple is a good word to describe the fundamental approach. It is likely that her daughters will likewise be effective layers if you breed from the hen that produces the most eggs. This is so because a hen's genes, which she gets from her parents, play a factor in determining how many eggs she lays.
How did chickens raised for meat become a product of selective breeding?Increased growth rate and higher meat output were the primary objectives of selective breeding in meat chickens in the 1960s (i.e. producing larger chickens in less time). These days, the strategy is much more balanced, with health and wellbeing of the breeding animals playing a key role.
Inbreeding, linebreeding, and outcrossing are methods used in animal breeding.
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What does chordates mean ?
Answers
Answer:
Chordata is a phylum (group) of animals which have a notochord. The group includes vertebrates, with some closely related invertebrates. In case you don't know what is notochord. Notochord. This flexible skeletal rod that's made of cartilage is what gives chordates their name.
The notochord runs between an animal’s digestive tube and its nerve cord and provides support for the body. It is the precursor of a backbone, or spine, in vertebrates.
Example : Any vertebrate you can think of is in the phylum Chordata. That means pandas, crows, sharks, salamanders, alligators, humans, etc.
Explanation:
which statement about the layers of the alimentary canal is correct? a. the serosa protects against self-digestion. b. the role of the mucosa is to absorb the products of digestion. c. the sub-mucosa is involved in segmentation and peristalsis. d. the muscularis externa is primarily comprised of dense connective tissue.
Answers
The role of the mucosa is to absorb the products of digestion, the correct statement about the layers of the alimentary canal is option B.
The muscularis mucosae is a thin layer of smooth muscle that helps move the mucosa to facilitate absorption. The mucosa is actually responsible for secreting enzymes and mucus, which aid in the process of digestion. It is the lining of the digestive system, which includes the mouth, esophagus, stomach, and intestines.
The mucosa contains specialized cells that produce digestive enzymes, such as amylase and lipase, which break down carbohydrates and fats, respectively. In addition, the mucosa secretes mucus, which helps lubricate and protect the digestive tract from damage caused by digestive acids and enzymes, the correct option is B
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why do chromosomes become visible during prophase?
Answers
Answer:
the DNA molecules are progressively shortened and condensed by coiling, to form visible chromosomes. ... The spindle fibers shorten and the centromere splits separating the two sister chromatids, the individual chromosomes are pulled to opposite poles of the cell.
Explanation:
why does the left ventricle have a thicker myocardial wall? it has to pump blood to the left atrium. it has to pump blood to the body. it has to pump blood to the liver. it has to pump blood to the
Answers
The left ventricle of the heart has a thicker myocardial wall than the right ventricle because it has to pump blood to the body's systemic circulation, which is a high-resistance pathway that requires more force to overcome.
The left ventricle is responsible for generating the force necessary to push blood through the aortic valve and into the aorta, which then distributes oxygenated blood to the body's tissues and organs. In contrast, the right ventricle only has to pump blood through the pulmonary valve and into the lungs, which have a much lower resistance compared to systemic circulation. Therefore, the left ventricle needs to have a more robust and muscular wall to generate the force necessary to overcome systemic vascular resistance.
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true or false the area of the oral cavity that is most likely to elicit the gag reflex stimulated is the anterior third of the tongue
Answers
True. The front third of the tongue is the part of the oral cavity most likely to provoke the gag reflex.
The tongue is a muscle organ in the oral cavity that is essential for speaking, taste, and chewing, among other vital processes. It is made up of glands, muscles, and nerves that cooperate to manipulate food during the mastication process and aid in swallowing. Numerous taste buds on the tongue's surface enable humans to recognise various flavours, and the tongue's motions aid in combining saliva and food to start the digestion process. The tongue is also necessary for speech since it aids in sound formation and word articulation. The tongue is an intricate and important organ that is involved in many facets of daily living.
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Based on what you know, how would you improve Jose's running experiment?
He should try another running field.
He should take another lap.
He should try another pair of running shoes.
He could improve his running experiment using repetition.
Which is correct?
Answers
Answer:
He could improve his running experiment using repetition.
Explanation:
How is the health of a person important to a country? Select all that apply.
Countries with fewer healthy people have higher rates of disease.
Countries with more healthy people have higher rates of disease.
Countries with more healthy people have lower rates of disease.
Countries with fewer healthy people have lower rates of disease.
Answers
Answer:
A and C
Explanation:
The organ that secretes fluid into the small intestine is the _____________
A) Spleen
B)Thymus Gland
C)Pancreas
Answers
Explanation:
the pancreas creates natural juices called pancreatic enzymes to break down foods. These juices travel through your pancreas via ducts. They empty into the upper part of your small intestine called the duodenum. Each day, your pancreas makes about 8 ounces of digestive juice filled with enzymes.
cd4 t cells are activated by group of answer choices interaction between tcrs and mhc ii interaction between cd4 and mhc ii. complement cytokines released by dendritic cells.
Answers
cd4+ t cells are activated by interaction between CD4+ and MHC II.
What is MHC molecule?
A sizable region of vertebrate DNA called the major histocompatibility complex houses a group of closely related polymorphic genes that code for the cell surface proteins needed by the adaptive immune system. These MHC molecules are cell surface proteins.
A controlled, efficient immune response to pathogens depends on CD4+T cells. After interacting with the antigen-MHC complex, naive CD4+T cells become activated and undergo specialized subtype differentiation that is largely influenced by the cytokine milieu of the microenvironment.
Hence the correct answer is interaction between CD4+ and MHC II.
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People who tend to perceive the elements of their environment as
separate and distinct from one another are called
A Field-independent
B. Augmenters
C. Reducers
D. Field-dependent
Answers
Answer:
The correct answer is A.
Explanation:
Field independence is a cognitive style that people can manifest, it consists of the ability to isolate a certain trait that is perceived as relevant, from the context in which it is integrated, that is, field-independent people usually isolate the different parts that make up the objects or stimuli. Field-independent people are characterized by having analytical and organizational capacities, a more abstract and impersonal orientation and being autonomous in their social behavior.
Whenever you need to have the engine running for diagnosis or service, the engine's exhaust must be vented to the outside. How is this done? 39. State four (4) ways of eliminating or reducing the effects of excessive noise.
Answers
To vent the engine's exhaust to the outside during diagnosis or service, a vehicle typically utilizes an exhaust extraction system. Additionally, there are four ways to eliminate or reduce excessive noise: insulation, absorption, vibration isolation, and noise barriers.
When an engine needs to be running for diagnosis or service, it is essential to ensure that the engine's exhaust gases are safely vented to the outside. This is typically achieved by using an exhaust the extraction system.
The system consists of a series of hoses, ducts, and exhaust fans that capture and redirect the exhaust gases away from the working area, preventing them from accumulating and causing harm. Regarding the reduction of excessive noise, there are several techniques available.
One approach is insulation, which involves adding materials that absorb and dampen sound waves to reduce noise transmission.Another method is absorption, which utilizes sound-absorbing materials to absorb sound energy and prevent its reflection.Vibration isolation techniques, such as mounting equipment on resilient materials, can help minimize noise caused by mechanical vibrations. Additionally, noise barriers, such as walls or partitions, can be used to block or redirect sound waves, reducing noise levels in a specific area.By employing these methods, it is possible to eliminate or significantly reduce the effects of excessive noise in various settings, including automotive, industrial, and residential environments.
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What is the definition of reproduction?
Answers
Answer: Reproduction is the act of producing one or more individuals of (a given kind of organism) by some process of generation or propagation, sexual or asexual.
pls help i give brainliest!!!
Answers
Why is biodiversity important?
Answers
Answer:
Biodiversity is important to humans for many reasons. Ecological life support biodiversity provides functioning ecosystems that supply oxygen, clean air and water, pollination of plants, pest control, wastewater treatment and many ecosystem services
mitosis cell division are required to form 64 cell for one cell?
a.4
b.6
c.16
d.32
Answers
Answer:
im not sure
Explanation:
which of the following is not considered a natural resource a.plastic b.gold c.titanium d.coal
Answers
Answer:
Gold
Explanation:
put the regions of the verebral column in order from nearest to the head at the top to the farthest from the head at the bottom
1. cervical vertebrae
2. thoracic vertebrae
3. Lumbar vertebrae
4. sacrum
5.coccyx
Answers
The vertebral regions are listed below, with the topmost area closest to the head at the top and the bottommost region furthest from the head at the bottom. Order:1, 2, 3, 4, 5.
Instead of being part of the spinal column, the sacrum and coccyx are frequently seen as belonging to the pelvic area. Since they are made of fused vertebrae, they are still regarded as a part of the vertebral column. The primary axis of the skeleton in all vertebrates is the vertebral column, commonly referred to as the spinal column.
The vertebral column supports the trunk, acts as a location for haemopoiesis, and offers attachment points for muscles. It also protects the spinal cord and nerve roots.
Order:
vertebrae in the neck
chest vertebrae
cervical vertebrae
Sacrum Coccyx.
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Most prokaryotes and some eukaryotes have cell walls except for
Fungi
Single celled organisms
Plants
Animals
Answers
Answer:
fungi
Explanation:
becouse he is a fun guy
ILL MARK BRAINLIEST
Human Impact on Resources
Project: Roads in a Rainforest
Dont anser with a oaragraph im not looking for that
Answers
Answer:
Human impact on resources is negative for many reasons why being deforestation
Roads in the rainforest would be negative impact because your destroying habitats to an already limited envirment
Explanation: