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babunello [35]
3 years ago
6

Why is correctly performing mitosis important and if there is a error what happens to one or both cells?

Biology
2 answers:
Drupady [299]3 years ago
6 0
If errors occur at any one stage, the cell can stop cell division from progressing
vovangra [49]3 years ago
5 0

Answer:

It is very important because mitosis is basically replicating your DNA to make more cells that are exact replicas of each other. This is essential because if they are not exact replicas your body's immune system might not recognize it and so it will attack its own body's cell.

There are certain checkpoints throughout mitosis to ensure that everything is going ok, but if we suppose the errors pass the checkpoint and the cell divides from one to two daughter cells. If there is a genetic defect, where one daughter cell has more and one daughter cell has less chromosomes, both will be affected by it. This is called Nondisjunction which is the result of failure of chromosomes to separate during mitosis. This leads to new cells with either extra or missing chromosomes; a condition called aneuploidy.

SO what happens, they might be killed by body's own immune system. There might be apoptosis, which is a form of programmed cell death that occurs in multicellular organisms

Explanation:

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NEED HELP QUICK PLEASE HELP
kozerog [31]

Answer:

Question 1

D

Question 2

C

Question 3

D

Explanation:

1. An ecosystem is MOST likely to return to its original condition after Tall prairie grass burns after being struck by lightning.

Here is a research paper in which they explained how this happened. (Komarek, E. V. (1971). Lightning and fire ecology in Africa. In Tall Timbers Fire Ecology Conference (Vol. 11, pp. 473-509).)

2. In some national parks, controlled fires are maintained by firefighters. The major reasons for using controlled burns to maintain certain ecosystems is to give nonnative plants a chance to colonize the region.

A recent article provided the insight of this situation (Xanthopoulos, G., Delogu, G. M., Leone, V., Correia, F. J., & Magalhães, C. G. (2020). Firefighting approaches and extreme wildfires. In Extreme Wildfire Events and Disasters (pp. 117-132). Elsevier.)

3. One reason for the change in the Galápagos ecosystem has been the introduction of species that were not on the island before, such as donkeys, goats, cats, dogs, and insects. The introduction of nonnative species MOST likely disrupt the balance of life on the islands due to greater competition for limited food sources.

Scientist said that food competition is actually a struggle to survive in any ecosystem here is the reference paper (Eckhardt, R. C. (1972). Introduced plants and animals in the Galapagos Islands. Bioscience, 22(10), 585-590.)

5 0
2 years ago
What may have helped horses change over the last 40 million years? A) an increase in their height and weight B) the coming and g
melisa1 [442]

A change in their food, from trees to grass in the Great Plains.

5 0
3 years ago
Read 2 more answers
Does someone know the answer to these??
s2008m [1.1K]

Answer:

I know that its true that fish have 4 limbs and its also true that sharks have bony skeletons

Explanation:

4 0
2 years ago
A prepared slide of an organism shows red cells after acid-fast staining. Therefore it can be concluded that the cells
nasty-shy [4]
It can be concluded that the cells CONTAIN ACID FAST BACTERIA.
Acid fast staining is a staining technique that is used to differentiate two types of gram positive cells, those that have waxy mycolic acid in their cell wall and those that do not. 
Those cells that do not have mycolic acid in their cell wall will show blue color after acid fast staining.<span />
5 0
3 years ago
Read 2 more answers
What the function if animal cell divide without centrioles?
Vesna [10]

Answer:

spindle fibers act as guides for the alignment of the chromosomes as they separate later during the process of cell division.

Explanation:

They play a role in mitosis of animal cells and plant cells are able to reproduce without them.

Research however has shown that mitosis can take place in animal cells after centrioles have been destroyed. ... In higher plants mitosis takes place perfectly satisfactorily with microtubules forming spindle fibres but without the help of centrioles.

Hope this helpse!! Brainliest?? Anyways have a great day my loves<3

6 0
3 years ago
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