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Finger [1]
3 years ago
13

What is a factor that controls the rate of cell division?

Biology
2 answers:
Vesnalui [34]3 years ago
4 0
Kinases and Cyclins are Internal Factors that Regulate Division. When cells reach a checkpoint within the cell cycle, whether they continue division or abort the process is regulated by cyclin-dependent protein kinases.
Ugo [173]3 years ago
3 0

Answer:

Mitogens

Explanation:

Mitogens: proteins that turn off negative signals that are blocking cell division.

You might be interested in
A mutation in a gene that controls mitosis in cells may cause? a) cancer. b) cystic fibrosis. c) albinism. d) meiosis.
harkovskaia [24]
The answer is <span>a) cancer.

</span><span>Cells must control mitosis (cell division) in order to maintain normal cell function. If something happens to the control of mitosis, the healthy cells will divide uncontrollably. These new cells are cancer cells and they are also out of control. They will continue to divide uncontrollably, so the mass of the cancer cells will grow.
</span>Regarding other choices:
- cystic fibrosis is an inherited disorder of lungs and digestive system,
- albinism is a congenital disorder characterised by the absence of pigment in the skin and hair,
- meiosis is cell division resulting in the reduction of a chromosome number in half.
7 0
3 years ago
The failure of the attempt to reintroduce clapper rails in California was an example of the _____.
Lemur [1.5K]

The correct answer is option D, difficulty of redesigning workable ecosystems

Reason -

The area that was redesigned into an ecosystem actually failed to attract the endangered species of clapper rails in California because of the following two reasons –

a) Failed attempt of restoration of Cord grass ( a tree which is a dominant tree in the nesting habitat of clapper rail) . Even if few such trees were there they could not grow to their full height and thus were incapable of providing adequate nesting cover

b) Due to the lack of predatory insect, some herbivore insect in the ecosystem attacked the green grasses thereby making the nesting inadequate.

7 0
3 years ago
Amoeba Sisters
Kisachek [45]

Answer and Explanation

Due to technical problems, I was not able to fill the answer and explanations in the corresponding boxes. You will find them in the attached files.

Download pdf
5 0
3 years ago
A receptor can directly open a channel and thereby exert a(n) ____ effect, or it can produce slower but longer ____ effects.​
svlad2 [7]

Answer: ​ionotropic; metabotropic

Explanation:

A receptor can directly open the channel and exerts an ionotropic effect. The ionotropic effect takes place by the help of ionotropic receptors. These receptors are membrane bound receptor proteins which responds by the bonding of the ligand.

Due to ligand binding the channel opens and allows the movement of ions into the cells which helps in either increasing or decreasing the action potential.

The receptors can also bind to the ligand and produce metabotropic effect which means by the second messenger.

6 0
3 years ago
PLEASE HELP WITH THIS QUESTION WHOEVER GETS IT RIGHT GETS BRAINLIEST AND 5 STARS
vovangra [49]

I belive that the emperor penguin fits all the criteria of Group B.

3 0
3 years ago
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