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Answer:
im pretty sure its A. since it shows the sperm goin into the egg forming a thing
Related Questions
Select ALL the functions of the digestive system
A. Breakdown food so that the body can absorb nutrients
B. Filter and eliminate the produced liquid waste
C. Eliminate the produced solid waste
help me please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please please
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Answer:
all of the above they all work together
List three ways to keep the environment clean
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Reduce: Use plastic less
Reuse: Reuse plastic bags and paper bags when going to the store
Recycle: Recycle food, garbage, and paper into different containers
On the left are several misconceptions about evolutionary theory. The labels on the right all list a biologist's explanation for each misconception. Match each misconception with its accurate biological explanation by dragging the explanation to the correct answer dock Misconception about Biologist's Explanation Reset Biological evolution explains the origin of life. Evolution does not have a plan. New adaptations arise by mutations, which occur randomly Biological evolution did not begin until life existed. Evolution occurs "in order to help a species survive." Mechanisms of evolution may act orn ndividuals (or even on genes), but by definition evolution always occurs at Individuals can evolve the level of the were to arise, then t Beneficial traits acquired during an individual's life are passed to the next generation would originate in a single individual, not in the entire population. The new trait would then be subject to natural
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Below, I've coupled up the corresponding false beliefs with their justifications (please note that it is in the order misconception followed by explanation)
Biological evolution explains the origin of life.Biological evolution did not begin until life existed.Evolution occurs in order to help a species survive.Evolution does not have a plan. New adaptations arise by mutations, which occur randomly.Individuals can evolve.Mechanisms of evolution may act on Individuals (or even on genes), but by definition evolution always occurs at the level of the population.Beneficial traits acquired during an individual's life are passed to the next generation.Acquired characteristics are not typically inherited.All members of a population develop new traits simultaneously .If an adaptation were to arise, then it would originate in a single individual, not in the entire population. The new trait would then be subject to natural selection.Evolution and natural selection are the same thing.Natural selection is one mechanism of evolution. Mutation, genetic drift, migration, and nonrandom mating are other mechanisms of evolution.Evolution only happens when conditions change dramatically.Minor changes in the environment may be sufficient to trigger selection for different traits.To learn more about evolution click:
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Santana is a pharmacist who wants to look up information about the uses of a certain drug. Which references would be useful?
Select all that apply.
US Pharmacopoeia Drug
Physician’s Desk Reference
Remington: The Science and Practice of Pharmacy
Facts and Comparisons
Red Book: Pharmacy’s Fundamental Reference
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Answer:
A B E
Explanation:
on Edge
(b) The pGoG protein is known to block the G, to S transition in the cell cycle. Explain why this prevents
miosis from happenina in he cell
(c) Before treating melanoma cells with capsaicin, researchers pretreated the cells with an inhibitor of
calcineurin. Predict the effect of this pretreatment on the ability of capsaicin to induce apoptosis by the
pathway shown in Figure 2. Provide reasoning to justify your prediction.
(d) Researchers claim that many cancers include a mutation in the gene encoding pGoG. Support the
researchers claim.
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Answer:
Explanation:
c. The pretreatment on the ability of capsaicin to induce apoptosis effects in NFAT2 to block ATF3 where it activates ATF3 to inhibit pGoG from inducing apoptosis.
d.AFT3 usually stops pGoG from induce apoptosis and so cancer develops because of apoptosis unable to do it's job and cells just keep dividing which we call a tumor
Meiosis is necessary for_____
reproduction.
A. Somatic
B. Zygote
C. Asexual
D. Sexual
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Answer: D
Explanation: Meiosis is necessary for sexual reproduction because haploid cells which fuse during sexual reproduction to form a diploid zygote results from meiotic cell division.
If the lead in DNA nitrogen bases on one side of the DNA chain are TATGCGCCCTT what were the opposite side of the ladder of DNA chain look like
Answers
Answer:
ATCGCGGGAA
Explanation:
The way I learned this was with the word "GCAT". G pairs with C and vise-versa and A pairs with T and vise-versa. This is how you know what the opposite chain of DNA will look like.
Identify which part of the male structures in which are the female structures in a plant?
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Male and female reproductive organs are usually found on different sections of the plant.
Typically, the anther and filament of the stamen of the flower, where the male reproductive components are located, are located. Filament is the stalk that supports the anther, while pollen is the part of the stamen that produces pollen.
The stigma, style, and ovary are the components of the pistil, where the female reproductive organs are usually found in flowers. The sticky, receptive stigma of the pistil is the site where pollen is captured. The ovary is the expanded base of the pistil that contains the ovules, which will mature into seeds after fertilization. The style is the stalk that supports the stigma.
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Do forests help in the fight against climate change? And if so, how?
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A biologist creates a large population of genetically identical individuals by chopping up a light-colored adult sponge into tiny pieces and scattering the pieces randomly across a coral reef. Many of the pieces that land on darker backgrounds are eaten immediately by fish. Some pieces grow into adult sponges, especially pieces that land on light backgrounds. Which statement describes how phenotypic frequency would change over time in this sponge population?
Answers
Answer:
Natural selection
Explanation:
Natural selection is the main mechanism by which populations adapt and change over time to survive in their environment. Individuals in a population exhibit different gene variants or 'alleles' (i.e., individuals exhibit genetic variation). Some of these alleles are associated with phenotypic traits better suited to the environment than others. Natural selection can change allele frequencies in the population, increasing the frequency of the alleles associated with higher fitness, i.e., those alleles associated with lower mortality and the most offspring in a particular environment. Over time, these advantageous alleles become more common in the population. In consequence, natural selection can be considered as a statement on the expected value of allele frequencies under resampling from one generation to the next.
inguinal lymph nodes are found in
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The sodium-potassium pump
A. maintains electrochemical gradients by pumping 3 Na* ions outward and 2 K* ions inward.
B. is an example of passive transport.
C. is used routinely for moving a substance out of a cell.
D. is an example of facilitated diffusion.
Answers
Answer:
A
Explanation:
The sodium-potassium pump is used for balancing charges through the movement of Na and K ions
How can scientist explain our ability to feel empathy? Can evolution explain the types of group’s primates will organize themselves in? What is different about Homo sapiens from other non-human primates? Does this explanation make sense to you? Why or why not?
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Empathy is a feeling that, in short, represents the ability to put yourself in the other person's shoes. This encompasses thoughts, actions or feelings regarding whatever subject is being addressed.
Can evolution explain the types of primates in the group into which they will organize themselves?As they age, the saddles become larger and eventually cover most of their backs. The most common social group pattern among semi-terrestrial primates is the multimale-multifemale group. With this pattern, there are no stable heterosexual bonds--both males and females have a number of different mates.
How is Homo sapiens different from other non-human primates?Upright posture, arms shorter than legs, extraordinary brains. While the natural "lottery" acted on these and other characteristics, primitive man climbed a new rung of the evolutionary scale. "In evolutionary terms, it is important to think that it is not adaptation that arises to respond to environmental needs; a variation happens and the environment ends up favoring it"
With this information, we can conclude that We are all descendants of Homo sapiens that originated in Africa. Thanks to genetics, we know that all Homo sapiens are descended from an African woman who lived about 200,000 years ago.
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Teresa has inherited allele A from her mother allele B from her father. Allele A is the dominant gene that affects the production of the protein Huntington in such a way that is causes Huntington's disease. Allele B is the recessive gene that does not cause Huntington's disease. On the basis of the given information, which of the following is likely to be the result of this inheritance?
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Teresa is likely to be a carrier of the Huntington's disease allele, but not affected by the disease herself, since she inherited one dominant allele A and one recessive allele B.
Teresa's genotype is Aa, where A is the dominant allele that causes the production of the protein Huntington in a way that leads to Huntington's disease, and a is the recessive allele that does not cause the disease. However, since Teresa inherited one allele A and one allele B, she is not affected by the disease herself because the dominant allele A is not present in two copies.
Instead, she is a carrier of the disease-causing allele A, meaning that she has the potential to pass it on to her offspring. If she has children with someone who also carries the A allele or has Huntington's disease, there is a possibility that their children may inherit two copies of the A allele and develop Huntington's disease.
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J. Thomson's model of the atom includes all BUT ONE of these features. That is
The is D- electrons revolved around the positive sphere.
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Answer:
Scientists and contributions to atomic theory. ... a. matter = tiny spheres called atoms ... 1) Todays Planetary Model. ... J.J. Thomson discovery of electrons inside atoms. ... of an atom has a nucleus in the center, and many electron clouds orbiting around it. ... He called these positively charged particles in the nucleus, protons.
Explanation:
if an Object has a density of 0.9 g/cm^3 and you put it into water with the flow or sink
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Explication: If the density is less than the waters then it will float
The extensor digitorum communis muscle extends the ____ joint in conjunction with the three extensor carpi muscles. Group of answer choices
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Answer:
The extensor digitorum communist muscles extend the WRISTJOINT.
Explanation:
extensor digitorum communis muscle is an important muscle that is found at the backside or posterior compartment of the forearm.
It originates from the lateral epicondyle of humerus to the medial four phalanges of the hand.
The muscles help in hand and elbow movement.
This muscle give extension to finger 2 and 5 that is phylanges, hand and wrist. It also three extensor carpi muscles.
What practice helps scientists avoid bias in their findings
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lysis What is the term for the process of determining types and amounts of nutrients in feedstuff or in a prepared mix? A. Pearson Square Analysis B. Diet plan C. Feed analysis D. Balanced ration
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Answer:
A
Explanation:
I THINK SO I hope you're happy with the answer I gave you
where are embryonic stem cells harvested from? kidneys , cord blood , cytoplasm or bone marrow
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Since all cells that make up tissues require oxygen and nutrients, they depend on the _________ system to function properly.
muscular
circulatory
nervous
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Answer:
Circulatory
Explanation:
The Circualtory sytem circulates blood, oxygen, and nutrients all over the body
Which describes the Coriolis effect?
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Which base does Cytosine pair with?
A. Adenine
B. Guanine
C. Uracil
D. Thymine
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Cytosine, a nitrogenous base found in DNA and RNA, pairs with guanine. The correct answer is option B.
This pairing is based on the complementary base pairing rule in which cytosine forms three hydrogen bonds with guanine. The other base pairs in DNA are adenine with thymine, and in RNA, adenine pairs with uracil. The complementary base pairing is crucial for DNA replication and transcription processes. Cytosine and guanine, along with adenine and thymine/uracil, form the base pairs that make up the rungs of the DNA double helix structure.Understanding base pairing is fundamental to understanding the structure and function of nucleic acids. Therefore, the correct answer is option B.For more questions on DNA
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Cytosine pairs with Guanine.
Explanation:The base Cytosine pairs with the base Guanine in DNA. This base pairing is a key component of the double-stranded DNA structure.
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Using specific examples, discuss the roles of negative and positive feedback processes that maintain homeostasis.
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Answer:
Homeostasis typically involves negative feedback loops that counteract changes of various properties from their target values, known as set points. In contrast to negative feedback loops, positive feedback loops amplify their initiating stimuli, in other words, they move the system away from its starting state.
Most of the steps of which cellular process occur inside a mitochondrion?
A Respiration B Photosynthesis C Active Transport D Protein modification
Answers
Answer:
I think the answer is cellular respiration
Explanation:
SO CELLULAR RESPIRATION TAKES PLACE IN THE MITOCHONDRIA
I HOPE ITS HELPFUL
which is less resistant to decay?
A)LIGNIN
B)CELLULOSE
C)CHITIN
D)STARCH
Answers
Answer:
A) Lignin
Explanation:
Lignin is the most resistant of these to decay due to strong intermolecular bonding
Which of the following represents an in vivo method for cultivating viruses.
a.) HeLa cells
b.) Pure bacterial cell cultures
c.) Embryonated chicken eggs
d.) Lung cell culture
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Embryonated chicken eggs represents an in vivo method for cultivating viruses. (option c)
To cultivate viruses in a living system, an in vivo method is used. Among the options provided, embryonated chicken eggs are the most commonly used method for culturing viruses in a living organism.
HeLa cells: HeLa cells (a) are human cancer cells commonly used in laboratory research, but they are not a living organism suitable for virus cultivation.
Pure bacterial cell cultures: Bacterial cell cultures (b) are often used to study bacteriophages, which are viruses that infect bacteria. However, this method involves culturing viruses in bacterial hosts and does not involve a living organism.
Embryonated chicken eggs: Embryonated chicken eggs (c) are a widely used method for virus cultivation. In this method, viruses are injected into the developing embryo, which provides an environment for viral replication. The embryos provide a controlled and nutrient-rich environment for the viruses to grow and propagate.
Lung cell culture: Lung cell culture (d) involves growing lung cells in a laboratory setting. While this method can be used to study certain viruses, it is an in vitro (outside a living organism) method rather than an in vivo method.
In conclusion, the in vivo method for cultivating viruses among the options provided is embryonated chicken eggs. This method provides a living system in which viruses can replicate and propagate. (option c)
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Many communities in Virginia benefit from watershed protection programs.
Which natural phenomena would most likely create a need for assistance from these particular programs? Check all that apply.
1.earthquakes
2.flooding
3.hurricanes
4.runoff
5.tornadoes
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Answer:2. Flooding and 4 run off
Explanation:Watershed areas are prone to flooding. They also cause a lot of runoff
Answer:
2 4
Explanation:
Life cycle of peziza
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growth stage
While the pizza category was in the growth stage, the product life cycle of long-lived products was observed in the rice category.
Look at the data related to honey bee population losses between 2006 and 2013 (Figure 1). Expand on the data. How would you revise this graph to include more detailed information? What information would you add or delete? Explain your answer, describing why you would make these changes.
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Answer:
expand the data
Explanation:
Answer:
Explain
Explanation:
^^^^^