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Vesnalui [34]
3 years ago
13

Why do you think it is important to replace old or damaged cells?

Biology
1 answer:
Pavel [41]3 years ago
3 0

Answer:

Cells continuously die; this process is termed apoptosis (programmed cell death). For you to stay alive and fully functional, these cells need to be continuously replaced. Mitosis is crucial to this process. Mitosis is the reason we can grow, heal wounds, and replace damaged cells

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4. Which of the following is NOT part of the cell theory?
Rudiy27

All cells must develop from other cells of the following is NOT part of the cell theory.

The correct option is D.

<h3>What is a cell?</h3>

The fundamental units of all living organisms are cells. There are many billions of cells in a human body. They give the body structure, absorb nutrients from meals, turn those into energy, and perform certain tasks.

<h3>What is the cell's structure?</h3>

The cellular membranes, the nucleus, and the cytoplasm are the three components that make up a cell. Intricate arrangements of microscopic fibers and tens of thousands of tiny, unique structures known as organelles can be found in the cytoplasm.

To know more about Cell visit:

brainly.com/question/3142913

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7 0
1 year ago
Which is an external environmental factor that affects heredity?
goblinko [34]

The answer would be D)hormones

4 0
3 years ago
Read 2 more answers
TEN MEDAL QUESTION
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8 0
4 years ago
Let’s say A plant cell, normally diploid, completely screws up mitosis during metaphase and pulls full copies of all chromosomes
andrezito [222]

Answer:

4N

Explanation:

Mitosis is the process whereby a cell duplicates or produces another identical copy of itself. The mitotic process, which occurs in four main stages produces two daughter cells that are genetically identical to the parent cell. For example, a diploid organism (2n) will produce two daughter cells with 2n from mitosis.

However, in a case whereby a plant cell (A) screws up mitosis during metaphase and pulls full copies of all chromosomes to one side. This would result in one daughter cell having 4n or tetraploid number of chromosomes. Ideally, mitosis separates the chromosomes equally into the two daughter cells to have 2n each. If one cell has all chromosomes, it means that cell will have all the 4n.

For example, in a diploid human cell with 46 chromosomes (2n). Mitosis should occur in such a way that each daughter cell will have a diploid 46 number of chromosome (2n). However, if all the chromosome ends up in one cell during mitosis, that cell will have 92chromosomes, which is 4n or tetraploidy.

8 0
3 years ago
Why is it cooler in the summer near oceans and lakes, but warmer in the winter?
azamat
The warm air rises and the cooler coastal air moves in to replace it. Since the air is moving from the sea toward the land, this type of breeze is called a sea breeze. At night, the air inland cools down, and sometimes it cools down so much that it is cooler than the coastal air.

3 0
3 years ago
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