Answer:
During cellular respiration, about 36 to 38 ATP molecules are produced for every glucose molecule. The structural formula for adenosine triphosphate. During cellular respiration, energy from the chemical bonds of the food you eat must be transferred to ATP
Explanation:
After an earthquake, a small group of beetles from a much larger population becomes trapped in a cave. They are able to persist (continue living and reproducing) in the cave, but they cannot migrate back to the source population outside the cave. What would most likely result from this scenario
Answer:
They will evolve into a new species
Explanation:
The most likely result from this scenario is that the now isolated group of beetles will evolve and become a new beetle species that is unique from the old population.
The beetles have become geographically isolated from the original population and this makes them become a new species through the process of allopatric speciation. Allopatric speciation is an evolutionary mechanism of species formation as a result of being geographically separated from the old population. It is as opposed to sympatric speciation in which a new species is formed within a population of species without being geographically barred from the original population.
The fact that the isolated species are now in an environment that is different from that of the original population means that they will take a different route to evolve in terms of trying to adapt to the changes that would be occurring in their environment.
1.Cellular contact inhibition is important in which process?
A. Sweat production.
B. Tyrosinase production.
C. Wound healing.
D. Scoliosis development.
Answer:wound healing
Explanation:
Cellular contact inhibition is important in wound healing.
What is contact inhibition?Contact inhibition is the process whereby a normal cell's unchecked proliferation is inhibited as a result of its contact with neighboring cells.
What is wound healing?The process by which a living creature replaces lost or injured tissue with newly formed tissue is known as wound healing.
What happens when contact inhibition is lost?When this property is lost the cells undergo uncontrolled division and they form cancerous growth.
What are the stages of wound healing?The stages of wound healing are:
hemostasisinflammationproliferationremodelingTo learn more about contact inhibition, proliferation, and wound healing here
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What is the connection between the structure of DNA and the structure of a protein?
Explain using dystrophin as an example.
Explanation:
The sequence of basis on the DNA molecule is what directs the sequence of amino acids in the protein molecule - that's how it all links together! So, the sequence of bases in DNA codes for the sequence of amino acids of a protein.
Why is the variety of life on Earth now different than it was in Earth’s past?
Answer:
becuz thingz evolve
Match each term with its best definition
Convergent plate
boundaries
Blocks of rocks falling into magma
Divergent plate
boundary
Places where tectonic
plates smash together
Magma chamber
Magma forced into
fractures
Stoping
Cavity where magma
resides
Injection
Area where tectonic plates
pull apart
Stopping is the blocks of rocks falling into magma. Convergent plate boundaries are the places where tectonic plates smash together. Injection is when the magma is forced into the fractures.
What are the Convergent plate boundaries?A convergent plate boundary results when the tectonic plates converge, the one with thin oceanic crust subducts beneath the one which are capped by the thick continental crust. A subduction zone generally consists of the material that are scraped off the ocean floor near the coast and a chain of volcanoes farther inland.
Stopping is the blocks of rocks falling into magma. Convergent plate boundaries are the places where tectonic plates smash together. Injection is when the magma is forced into the fractures. A magma chamber is a cavity where magma resides. A divergent plate boundary is where the tectonic plates pull apart.
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stoping- Blocks of rocks falling into magma
Convergent plate boundaries- Places where tectonic
plates smash together
injection- Magma forced into
fractures
magma chamber- cravity where magma resides
Divergent plate boundary- Area where tectonic plates
pull apart
Which of these adaptations MOST helps the serval find prey in tall grass areas?
A) long legs
B) short tail
C) small nose
D) spotted fur
Explanation: Spotted fur because it helps the serval to blend in and punce on unexpecting prey
What is the sexual reproduction process of angiosperms?
Answer:fertilization
Explanation:
Answer: Sexual reproduction occurs in three stages: pollination, fertilization, and dispersal. During pollination, pollen is transferred from the anther to the stigma. Once the pollen is stuck to the stigma, it produces a pollen tube that grows down the style to the ovary and into the ovule. A sperm cell then travels down the pollen tube into the ovule and fertilizes the egg cell. The fertilized egg is called a zygote. This zygote grows into a plant embryo. The embryo is located inside the seed along with the seed coat and stored food. The ovule develops into the seed. The ovary develops into the fruit that protects the seed. The fruit also helps disperse the seed. Seeds are dispersed, or spread, to new locations, where they grow into seedlings. or pollen is taken to the stigma. i took the test
Although ascospores are produced by mitotic division, none of the spores develop into fungi that are identical to either parental hyphae. What is the BEST explanation for this observation?
A.
The spores inherit half their genes from each parent.
B.
The spores inherit haploid nuclei from their parents.
C.
The spores inherit mutations as a result of meiosis.
D.
The spores inherit mutations as a result of mitosis.
Answer:
A
Explanation:
The correct answer would be that the spores inherit half of their genes from each parent.
The ascospores start their journey through the fusion of 2 haploid nuclei (karyogamy) to form a diploid zygote nucleus. The zygote nucleus develops and then divides by meiosis to produce 4 haploid daughter cells. Each daughter cell then divides mitotically, making it eight haploid nuclei at the end.
Hence, each spore inherits half of its gene from different nuclei.
The correct option is A.
Answer:
A. The spores inherit half their genes from each parent.
Explanation:
The explanation above is correct. Just wanted to confirm.
A normal body cell of a fruit fly contains eight chromosomes. Each normal
gamete of this organism contains only four chromosomes, as a result of
the process of *
binary fission
vegetative propagation
germination
meiosis
Answer:
Meiosis.
Explanation:
This is because meiosis is a type of cell division in that occur in sexual producing organism in which the chromosome number is reduce to half and produce for gamete. The diploid patent chromosome are reduced to half or haploid. This is the cell diving that produced sexual gamete i.e sperm and egg. In the case of fruit fly with 8 chromosomes and it is reduced to 4 is as a result of it undergoing meiosis.
What evidence that supports Darwin theory of evolution was not known until after he died
Answer:
The term "genetics" wasn't even coined until 1905, long after Darwin's death in 1882. And though the first fossil recognized as an ancient human—dubbed Neanderthal Man—was discovered in Germany just before Origin was published, he could not have known about the broad and varied family tree of ancestral humans.
Explanation:
hope this helps
what is the relationship between earth worms and soil
Answer:
Commensalism
Explanation:
earth worm doesn't hurt the soil from getting benefits
The greatest snowfall on a single day in recorded history occurred in Silver Lake, Colorado, in April, 1921. Approximately how many inches fell?
Answer:
87 Inches
Explanation:
In 27 1/2 Hours
Answer:
75.8 inches of snow fell in Silver Lake
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Which of the following pieces of evidence supports that species change due to certain genetic variations? (2 points)
(a) Darwin's theory of evolution was incorrect, as it did not account for variation in a species.
(b) Natural selection causes variation but cannot cause the evolution of a new species.
(c) Mutation and natural selection both cause changes in a population.
(d) Changes in a population abruptly occur as a direct response to the environment.
Answer:
I think it is C?
Explanation:
Answer: Its C
Explanation:
I took the test and got it right
what would happen to exposed flesh in the higher levels of the atmosphere?
I can’t find breeding,heterozygous,Allele
Answer:
I screenshoted and highlighted the answers
I need helping naming
Answer and Explanation:
I answered what I could remember and some of the lines are confusing..
Identify the way that leptin produced by fat cells of adipose tissue in the abdomen can send a signal to the neuroendocrine cells in the hypothalamus
Answer:
Leptin is a protein hormone composed of 167 amino acids of the cytosine family, it is synthesized mainly by white adipose tissue. The leptin receptor is related to that of receptors for cytosines (since it uses Janus or JAK type kinases and STAT-3 proteins as intracellular mediators of transcription pathway), it is predominantly found in the hypothalamus (particularly in the arcuate nucleus and to a lesser extent in the nuclei dorsomedial and ventromedial), hippocampus and cerebellum. There is evidence that leptin acts at the level of the arcuate nucleus, preventing the formation of NPY.
Explanation:
Leptin is produced exclusively in adipose tissue cells in a wide variety of species, including humans, and its concentration is higher in overweight than in lean individuals. The biological actions of leptin can be classified into two groups, those that are exerted in the tissues of the central nervous system, mainly the hypothalamus, and those that are carried out on the peripheral tissues. The former regulate body weight downward, decrease food intake, increase basal energy expenditure and modify some neuroendocrine functions such as reproduction, while the latter have effects on proliferation, differentiation and metabolism of peripheral tissues. The leptin that reaches the hypothalamus, in addition, inhibits protein synthesis and the secretion of neurons producing NPY / AgRP of the arcuate nucleus and stimulates the synthesis and secretion of those containing POMC. NPY (neuropeptide Y) is produced in the hypothalamic arcuate nucleus. This neurotransmitter arrives through the projections of the neurons of said nucleus to the paraventricular nucleus, which is the area where it is released. There are several studies that have shown that an increase in NPY leads to an increase in the sensation of hunger and thus to hyperphagia and obesity. Leptin acts at the level of the arcuate nucleus, preventing the formation of NPY. The leptin receptor lacks enzymatic activity in its intracellular domain. Instead, it is linked to members of the janus kinase family, which belong to a class of tyrosine kinases. The binding of the ligand activates the Jak kinase and leads to the phosphorylation of certain cytoplasmic proteins. Within these proteins there is a class of cytoplasmic transcription factors called signal transducers and activators of transcription (STAT).
A protein hormone synthesized majorly by white adipose tissue is leptin. It is secreted from the fat cells or adipose tissue of the body and concerns fat and obesity.
The obese individual has a high amount of leptin compared to a lean person.
The leptin works on tissues of the CNS mainly the hypothalamus and PNS. Leptin binds to members of the Janus kinase family of the tyrosine kinases class.
The ligand-binding triggers the Jak kinase and results in the phosphorylation of specific cytoplasmic proteins that includes the class of cytoplasmic transcription factors named signal transducers and activators of transcription (STAT).
CNS controls body weight, reduce food intake, improve basal energy expenditure and modify some neuroendocrine processes like reproduction.
PNS affects the expansion, metabolism and differentiation of peripheral tissues.
The leptin that moves towards the hypothalamus impedes protein synthesis and the secretion of neurons producing NPY / AgRP.
NPY (neuropeptide Y) is formed in the hypothalamus and arrives through the outgrowths of the neurons of the arcuate nucleus. It moves towards the para-ventricular nucleus from where it is released.
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Among the three types of protists, which one produces spores?
Protozoa
Ciliates
Red algae
Slime molds
The spore-producing protists amongst the given answers are red algae, i.e., option C.
What are spores?Spores are reproductive cells that protists and other organisms produce. When two protist spores come into contact, they can fuse to form a diploid zygote. The zygote then goes through meiosis, producing haploid cells that continue the cycle.
Red algae reproduce both sexually and asexually. Asexual reproduction can occur via spore production as well as vegetative reproduction.
Thus, the correct option is C.
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Why are bones hard and elastic at the same time? Explain your answer.
Give examples how bones protect our inner organs.
Explanation:
Bones provide support for our bodies and help form our shape. Although they're very light, bones are strong enough to support our entire weight.
Bones also protect the organs in our bodies. The skull protects the brain and forms the shape of the face. The spinal cord, a pathway for messages between the brain and the body, is protected by the backbone, or spinal column. The ribs form a cage that shelters the heart and lungs, and the pelvis helps protect the bladder, part of the intestines, and in women, the reproductive organs.
Bones are made up of a framework of a protein called , with a mineral called calcium phosphate that makes the framework hard and strong. Bones store calcium and release some into the bloodstream when it's needed by other parts of the body. The amounts of certain vitamins and minerals that you eat, especially vitamin D and calcium, directly affect how much calcium is stored in the bones.
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which graph best represents the percentage of lighted Side of the Moon that can be seen by an observer in the northern hemisphere when the moon is at the position shown
Answer:
4
Explanation:
The graph that represents the percentage of lighted side of the moon is ; ( 4 ) i.e. The fourth graph .
Given that the observer is stationed at the Northern Hemisphere, as the moon orbits around the sun following a parabolic path, the observer will observe a fully lighted moon ( i.e. 100% ) when the moon get to the center of its parabolic path because at this position the earth cannot cast a shadow on any part of the moon.
Hence we can conclude that the graph that represents the percentage of the lighted side of the moon is Graph 4
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what is a Null Hypothesis in biology?
Answer:
The null hypothesis is a typical statistical theory which suggests that no statistical relationship and significance exists in a set of given single observed variable, between two sets of observed data and measured phenomena.
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TII
MULTIPLE CHOICE QUESTION
Heat is being transferred to this
rabbit through:
Radiation
Convection
the color pink
Conduction
Answer:
radiation i believe
Explanation:
yuhhhhhhhhhh
Answer:
I think the answer is radiation. sorry if it's wrong
toxic substances may: *
Answer:
pollute our oceans and air?
Answer:
Burn is the answer
Explanation:
Your kidneys, the main organ of the excretory system, work with the
blood.
system, to filter liquid waste from your
A)
circulatory
B)
digestive
c)
immune
D)
nervous
Eliminate
Answer:
C
Explanation:
Answer:
C
Explanation:
which process converts light energy to chemical energy to form food
Answer:
Photosynthesis is the process in which light energy is converted to chemical energy in the form of sugars. In a process driven by light energy, glucose molecules (or other sugars) are constructed from water and carbon dioxide, and oxygen is released as a byproduct.
Explanation:
____ is the process of water vapor turning back into liquid water, with the best example being those big, fluffy clouds floating over your head. And when the water droplets in clouds combine, they become heavy enough to form raindrops to rain down onto your head.
Answer:
Your answer is condensation.
Which cloud builds and continues to grow? It often ends up stretching across all altitudes.
Answer:
Cumulus congestus cloud
Explanation:
Cumulus congestus cloud are created when a cumulus congestus cloud continues to grow higher into the atmosphere.
These clouds are enormous and stretch from a low base. They can occur alone or part of a line of clouds.
Please HELP PLEASE ITS A BIG GRADE
Answer:
I believe the third one I'm not sure if I'm right
Which codon is the code for the amino acid serine (Ser)?
A. AGA
B.AGU
C.AGG
D.UGA
Based on the table, which trophic pyramid is correct.
