Biology 9.1

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9 Terms

1
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Why do cells stay small?

Maintain surface area:volume ratio (faster diffusion + faster removal of waste)

2
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Why is surface area:volume ratio important?
Faster diffusion
3
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What is the longest phase of the cell cycle?
Interphase
4
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G1

Grows, normal functions, checkpoints

5
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S
DNA is copied
6
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G2

Organelles are copied

7
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What happens in mitosis?
Division of nucleus (PMAT)
8
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What happens in cytokinesis?
Division of cytoplasm
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How does bacteria divide?
Binary fission; only cytokinesis, no mitosis (no nucleus)