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aliina [53]
3 years ago
9

Help please? ^^'

Biology
1 answer:
adoni [48]3 years ago
8 0

Natural Selection.

It favors the better adapted organisms.


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Can someone write the first paragraph
Katena32 [7]

Hii!!

The purpose of mitosis is to create two new perfectly identical cells when either there is a need to replace old or damaged cells and to reproduce asexually by making new cells. Some organisms use mitosis to replace body parts. For example starfish replace lost arms by mitosis. Some organisms such as the hydra use mitosis to produce genetically identical offspring.

There are four stages of mitosis: prophase, metaphase, anaphase and telophase.

1) Prophase: chromatin into chromosomes, the nuclear envelope break down, chromosomes attach to spindle fibres by their centromeres

2) Metaphase: chromosomes line up along the metaphase plate (centre of the cell)

3) Anaphase: sister chromatids are pulled to opposite poles of the cell

4) Telophase: nuclear envelope reforms, chromosomes unfold into chromatin, cytokinesis can begin

● The order of the stages of mitosis can be remembered using the mnemonic PMAT.

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If all cells in a human come from one zygote (fertilized egg cell), with the same genetic information (genome), how does special
Ludmilka [50]
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77. _________________ are enzymes produced by a cell to start (initiate mitosis)?
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Bro if u dont know this answer you better pay attention in class cause this is the easiest thing i have ever seen. And if you cant find the answer in your class book come back in here and i will hook you up.<span />
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3 years ago
If the female is a carrier for the x-linked trait for colorblindness, and the male is colorblind, what percentage of their daugh
Maurinko [17]

Answer: 50%

Explanation: I used Punnet squares and past answers.

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