Biology B2: Cell Division - Mitosis - Flashcards in GCSE Biology

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Created by: jamesmarkwallis
Created on: 06-05-15 19:35

What is mitosis?

Mitosis is when a cell reproduces itself by splitting to form two identical offspring

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What is mitosis for?

Mitosis makes new cells for growth and repair

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How many chromosomes does a cell have?

23 pairs, so 46 overall.

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Which one of these uses mitosis, asexual reproduction or sexual reproduction

Asexual reproduction. [Such as strawberries form runners in this way, which become new plants]

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How is DNA spend out in a cell that's not dividing?

In long strings

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What does a cell do if it gets a signal to divide? [Mitosis]

It duplicates its DNA, and forms X-shaped chromosomes. Each arm is a exact duplicate of the other

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What happens to the chromosomes after this (P.q)?

The chromosomes line up at the centre of the cell and cell fibres pull them apart, the two arms of each go to opposite ends of the cell.Membranes form around each of the chromosomes, then become the nuclei of the new cells, then the cytoplasm divides

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Are the two cells after mitosis identical?

YES!

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END OF SUFFERING

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