What factors are known to be involved in the control of mitosis?

Biology

1 answer:

Mazyrski [523]3 years ago

7 0

Cell Size, Presence of other cells, and Chemical Stimulators

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Elastic fibers are important to muscle tissue since they resist excessive stretching and help muscle fibers spring back to its o

brilliants [131]

Answer:

True

Explanation:

Elastic fibers are composed of elastin, myofibrils and fibrillin. They are distributed <u>separately</u>, and therefore do not form bundles(they actually form a kind of mesh), like collagen fibers.

Elastic fibers are usually thin and long and can stretch up to 1.5x of their total length.

These fibers confer elasticity to the connective tissue. The mesh formed of elastic fibers easily yields to minimal tensions, returning to its original shape as soon as the deforming forces cease.

An example of the action of elastic fibers is when we pull the skin from our hands and release it, the elastic fibers are responsible for quickly returning the skin to its original shape.

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2 years ago

During _____________, the cell uses information from messenger RNA to produce proteins. A) respiration B) translation C) transcr

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B)translation

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3 years ago

In garden peas, one pair of alleles controls the height of the plant, and a second pair of alleles controls flower color. The al

Lerok [7]

Answer:

The parent's genotypes are:

Ddpp - tall, white parent

ddPp - dwarf, purple parent.

Explanation:

This question involves two different genes coding for height and flower color in pea plants. The alleles for tallness (D) and purple color (P) are dominant over the alleles for dwarfness (d) and white color (p) respectively.

According to this question, a tall plant with white flowers is crossed with a dwarf plant with purple flowers to produce the following proportion of offsprings: 1/4 tall purple, 1/4 tall white, 1/4 dwarf purple, and 1/4 dwarf white.

Since some of the offsprings contain recessive alleles for both or either genes, the dominant traits of the parent is controlled by an heterozygous genotype. This means that the tall plant with white flowers has a genotype: Ddpp while the dwarf plant with purple flowers has the genotype: ddPp. In a cross between Ddpp × ddPp, 1/4 of each combination of alleles is produced in the offsprings (see punnet square in the attachment).

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3 years ago

What is mitochondrial DNA?

e-lub [12.9K]

Answer:

Mitochondrial DNA is the DNA located in mitochondria, cellular organelles within eukaryotic cells that convert chemical energy from food into a form that cells can use, adenosine triphosphate.

Explanation:

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3 years ago

Which of the following is counted as a single respiration?

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5he answer to this question is the letter B

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