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3 years ago

This has been reduced in size usually over time and has less important functions in some related organisms than in others

Biology

1 answer:

Anvisha [2.4K]3 years ago

8 0

Answer:

Vestigial organs

Explanation:

Vestigial organs are organs that that <em>were once functional in the evolutionary past but ceased to function or have reduced in function over time.</em>

Due to continued disuse, this organs ceased to function or adopted to less important functions.

A good example of a vestigial organ is the Appendix in the human body, as the argument goes; the appendix is a tail that reduced in size with time due to disuse.

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How many sperm cells are formed from an original cell in a Drosophila fruit fly at the conclusion of meiosis?

julsineya [31]

Answer:

C. Four Haploid Sperm Cells

Explanation:

Meiosis is a cell division measure that creates four haploid cells (gametes) from a solitary diploid germline cell. In males, meiosis is essential for spermatogenesis, the cycle to produce sperm. Sperm are the haploid cells that are produced in meiosis.

Meiosis is a profoundly moderated cell division measure in eukaryotes that produces 4 cells (gametes) from a solitary cell (mother). Nonetheless, Nondisjunction in the male of Drosophila causes much of the time sperm with an addition or loss of chromosomes.

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3 years ago

Which bond of ATP will be broken to form ADP and release energy for use in the cell?

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Answer:When one phosphate group is removed by breaking a phosphoanhydride bond in a process called hydrolysis, energy is released, and ATP is converted to adenosine diphosphate (ADP).

Explanation:

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2 years ago

_________ are especially important because they are involved in a variety of processes, such as cell signaling, immune response,

eimsori [14]

<span>Proteins is the answer. There are sequence of functions of a protein depends on its shape which is determined by the protein's specific sequence of amino acids. . Proteins are very important because they are confusing in a variety of processes, such as cell signalling, immune response, and enzyme activity.</span>

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3 years ago

Consider the evidence that explains how physical separation of two populations of a species can cause speciation. What effect do

Tom [10]

Answer:

Interruption in the genetic flow between separated groups

The emergence of new mutations in each of the groups, and their accumulation in time. Slow and gradual differentiation between populations.
Genetic divergence by natural selection and reproductive isolation
Prezigotic isolation mechanisms

Explanation:

Allopatric speciation consists of the geographic separation of a continuous genetic background that can give place to two or more new geographically isolated populations. These separations might be due to migration, extinction of geographically intermediate populations, or geological events. In this speciation, some barriers impede genetic interchange, or genetic flux, as the two new groups that are separated can not get together and mate anymore. These barriers might be geographical or ecological.

The process of allopatric speciation involves different steps that affect organisms:

The emergence of the barrier.
Interruption in the genetic interchange
The occurrence of new mutations and their accumulation in time in each population. Slow and gradual differentiation.
Genetic divergence by natural selection and reproductive isolation makes it impossible for the two groups to mate even if the barrier disappears.
Prezigotic isolation mechanisms will be favored by selection if occurs a secondary contact between the new species in formation.

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2 years ago

What are the possible blood types of a child whose parents are both heterozygous for b blood type

pantera1 [17]

B is the answerrrrrrr

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2 years ago

Read 2 more answers