Biology - Cell Division

All of the following are reasons why our cells need to divide EXCEPT...

• To replace injured/damaged cells

• Our cells don't need to divide. We keep the same number of cells throughout our life.

• To replace old cells

• For growth and development

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In the cell life cycle, which stage involves preparation to divide and can last up to 20 hours?

• Interphase

• M Phase

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Which stage of the cell cycle involves cell division?

• Interphase

• M Phase

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Within Interphase, we have the Growth 1, Synthesis, and Growth 2 stages. What results after the Synthesis phase?

• We have replicated all our DNA.

• We have replicated all our organelles.

• We have created 2 nuclei.

• We have created 2 new cells.

This term describes an exact copy of a chromosome, created after DNA synthesis.

• Chromosomes

• Sister Chromatid

• Chromatin

This type of cell division creates 2 identical diploid daughter cells.

• Mitosis

• Meiosis

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Which types of cells are created by mitosis?

• Somatic Cells

• Gametes

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Diploid means a cell has ____ sets of chromosomes.

• 1

• 2

• 23

• 46

Mitosis creates genetically ________ cells.

• Different

• Identical

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Mitosis takes one cell and creates how many?

• 1

• 2

• 4

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