Sexes
and assuming Self-
Self-fertilizing is not possible, What might be
advantage and One disadvantage to
hermaphroditism?

Answer:

B. it combusts

Explanation:

Water doesn't combust since it isn't flammable. Hydrogen is flammable, but oxygen isn't.

Water=H2O.

Answer: B.Grass

Explanation:

Answer:

It's because an organism's phenotype, or physical traits, are what truly decide whether it can reproduce and pass on its genotype to the following generation.

Because the phenotype of an organism represents the alleles that are actually expressed in that organism, natural selection affects that phenotype.

Explanation:

Answer:

A is the substrate and B is the protein

Explanation:

Substrate: thing that is the initial part of a protein reaction

B is the thing that MODIFIES the substrate, the protein.

Answer:

Proteins in the cell membrane that identify the cell are called cell-surface markers (option C).

Explanation:

Cell surface markers are integral membrane proteins, whose function is to identify specific cell lines, allowing intercellular recognition and communication.

The specific type of cell marker provides the basis for cell classification, allowing studies to be performed on immune system cells, stem cells or atypical cells such as those found in cancer.

The other options are not correct because:

    A. Enzymes are proteins that participate in metabolic reactions.

    B. Transport proteins, although they are also part of membrane proteins, perominate the passage of specific substances through the membrane.

    D. Receptor proteins allow the identification of specific molecules, such as hormones, to couple with them and promote actions inside the cell.

Proteins in the cell membrane that identify the cell are called CELL-SURFACE markers (Option C).

Cell surface markers are specific proteins localized on the cell surface or glycoproteins, which can be used as molecular markers that evidence specific cell types/lineages.

For example, cell surface markers can be used for the identification of the lineage and/or phase of differentiation in lymphocytes such as T cells and B cells.

In lymphocytes, the cell surface markers can be divided into three classes: surface immunoglobulins, differentiation antigens, and membrane receptors.

In conclusion, proteins in the cell membrane that identify the cell are called CELL-SURFACE markers (Option C).

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Answer:

Explanation below

Explanation:

Mutation can be described or explained as a situation whereby there is a change in the make up of a gene thereby resulting to the formation of an entire gene which will be responsible for a new character.

The rate of mutation could be fast or slow, and that is referred to as the mutation rate.

Answer:

The incubation period, the time from the start of uninterrupted incubation to the emergence of the young, varies from 11 days (some small passerines and the black-billed and yellow-billed cuckoos) to 85 days (the wandering albatross and the brown kiwi).

Given what we know, we can confirm that Inflammation is a part of the nonspecific immune response.

Therefore, we can confirm that since inflammation is an immune system reaction that does not depend on a specific antigen, it is a part of the nonspecific immune response.

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There would be very little or no DNA produced  if in a pcr reaction you used a dna polymerase isolated not from thermus aquaticus, but from an organism that grows at lower temperature .

What is the purpose of PCR?

To amplify (copy) a gene so it can be detected.

How do the strands separate during PCR?

What is a PCR test ?

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Primary succession involves the gradual establishment of communities of different species in mostly lifeless areas.

The correct answer choice from above is option b.

Primary succession can simply be defined as that association of living things whereby these organisms are the first that first colonizes a barren habitat. In order words, it simply refers to the ecological association of plants and animals such that they are are ones that inhabit the region first.

In conclusion, we can now confirm from the explanation above that this primary succession is a succession which starts from scratch.

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Explanation:

Definition: the creation of protein. Protein synthesis is the process of creating protein molecules. In biological systems, it involves amino acid synthesis, transcription, translation, and post-translational events. ... In translation, the amino acids are linked together in a particular order based on the genetic code.

The organization should be: solar energy, photosynthesis, producer, herbivore( primary consumer), secondary consumer, tertiary consumer, apex predator, and detritus. Omnivores are humans that feed upon plants and animals, and carnivores can live upon the primary, secondary, or tertiary consumer.

The flow of energy, or the flow of nutrition, takes place in this direction as the food from the plants first goes to the herbivores, then to carnivores as they feed upon the herbivores. Animals that feed on other animals are considered carnivores. Detritus are the fungi or bacteria-like organisms that feed upon the dead organism, so in this way the flow of nutrition takes place.

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Answer:

T

Explanation:

I think you have it right...while panic attacks can happen for no reason (no stimulus), anxiety attacks usually happen for a reason.

Answer:

TRUEE! GOOD JOB :) HAVE A GOO DAY

Explanation:

Answer: Yes

Explanation: Monocots produce one cotyledon, while dicots produce two. Because seeds are reproductive structures and thus important to a species' survival, plants have evolved many mechanisms to ensure their survival. One such mechanism is seed dormancy. Dormancy comes in two forms: seed coat dormancy and embryo dormancy

Answer:Plants that reproduce by seeds. Seed plants have special structures on them where male and female cells join together through a process called fertilisation. After fertilisation, a tiny plant called an embryo is formed inside a seed.

Yes, energy crisis is a significant issue that affects many countries around the world. It is characterized by a shortage of energy resources, such as oil, natural gas, and coal, which are used to generate electricity and power many industrial processes. This shortage can lead to high energy prices, power outages, and other consequences that negatively impact economies and communities.

When you start to remove the chocolate chips of the cookie the general structure of the cookie will change, because the cookie was prepared and baked thinking about the uniformity of the structure and the interactions between dough and chocolate chips. A toothpick can surfacely take out the chocolate drops, but there is still a portion of chocolate inside the cookie. So to minimize the demage in the general structure and be possible to extract the chocolate, you can try other techniques such as heat the dough and separate the solid mass from the chocolate that will be semi-solid, not affecting the form of the cookie. In mining of underground material, the choosing of the best form of extraction is crucial to cause the least environmental damage to the explored area.

The African animals given in the chart are lions, cheetahs, and zebras. The chart presents their population sizes in 1990 and 2000. The population of zebras is higher than the lion and cheetah populations. The lions' population declined from 100,000 to 47,000 between 1990 and 2000 is Lion and cheetah populations compete for the food source of zebras, and cheetahs outcompete lions.

Likewise, the population of cheetahs decreased from 7,500 to 2,500 between 1990 and 2000. However, the population of zebras remained relatively stable at 50,000. Therefore, one could deduce that lions and cheetahs are competing for the same food source, which is zebras.

Lions and cheetahs have a diet that includes zebras. As a result, zebras serve as a food source for both lions and cheetahs. This indicates that there is competition between lion and cheetah populations. It is important to remember that the population of zebras remained stable during this period, indicating that the food source remained plentiful. As a result, the reason for the decline in lion and cheetah populations must be due to other factors.

Therefore, the statement that is best supported by the numbers in the chart is that lion and cheetah populations compete for the food source of zebras, and lions outcompete cheetahs. The decline in lion and cheetah populations could be attributed to numerous causes, including habitat loss, disease, and human interference, among other factors.

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Answer: D

Carry blood away from the heart at a high pressure, thick muscular and elastic walls.

Answer:

A monohybrid cross is a cross between two organisms with different variations at one genetic chromosome of interest.[1][2] The character(s) being studied in a monohybrid cross are governed by two or multiple variations for a single locus. To carry out such a cross, each parent is chosen to be ratio.

Explanation:

Answer:

Approximately 7%

Explanation:

I found this answer in an article from around 2015 so it should probably be higher since the demand for large animal vets is higher currently

It is hard to regain a trait that has been lost because the genetic changes required to evolve a new trait or to regain a lost trait are often complex and can involve multiple genes and regulatory elements. Furthermore, evolution is a slow, laborious process that requires beneficial mutations to accumulate over many generations.

When a trait disappears, the genetic material encoding it may also disappear or become inactive, making it more challenging for the trait to reappear in subsequent generations. For example, restoring a species' ability to manufacture a specific enzyme required for a particular metabolic pathway can be challenging if the genetic changes required to do so are complex.

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Answer:

A) Erosion

Explanation:

Well in the steps to the formation of sedimentary rocks there is when rocks are broken down into bits and pieces caused by (Erosion)

Explanation:

Deficiency of Vit C may lead to Scurvy which is characterized by bleeding gums and weak teeth.

This is because Vit C (ascorbic acid) helps in keeping healthy bones, teeth and gums

Answer:

hope this will help you

Explanation:

Answer:

Good ozone-stratosphere

Bad ozone-troposphere

Explanation:

The stratosphere or “good” ozone layer extends upward from about 6 to 30 miles and protects life on Earth from the sun's harmful ultraviolet (UV) rays.

In the troposphere, near the Earth's surface, human activities lead to ozone concentrations several times higher than the natural background level. Too much of this ground-level ozone is 'bad' as it is harmful to breathe and also damages vegetation.

Answer:

has cleared the neighborhood around its orbit