Biology lab chapter 14&15

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Biology Laboratory Manual
Chapters 14, 15
Grade levels:
College: First year, College: Second year
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1

Mitosis

The replication and division of the nucleus of a eurakaryotic cell in preparation for cytokinesis

2

During mitosis what occurs?

Chromosomes within the cell are replicated by enzymes and then separate into two identical sets surrounded by a nuclear membrane

3

Prokarytoic cells

Do not undergo mitosis. replicate their chromosome and then divide in half during binary fission

4

Cytokinesis

The divison of the cell and cytoplasm into halves that each contain a nucleus

5

Why are mitosis and cytokinesis important

They provide a mechanism for orderly growth of living organisms

6

The cell cycle

depicted as a circle. G1 is the first gap that involves growth and preparation for DNA synthesis. During the S phase a copy of the genome is synthesized. G2 prepares the cell for mitosis.

7

What happens at the end of the S phase

...