Flashcards
Cell Division - Mitosis
Flashcards do conjunto (11)
- 1Why are new cells made in mitosis?For growth and repair
- 2How many copies of each chromosome does each body cell normally have?2
- 3How many pairs of chromosomes does a human cell have?23
- 4When a body cell divides through mitosis, the new cell is _________ to the originalIdentical
- 5How are the DNA in a cell that isn't dividing?Spread out in long strings
- 6What happens to the DNA in a cell when it gets the signal do divide?The DNA duplicates itself and forms X-shaped chromosomes
- 7What happens to the chromosomes when it duplicates itself?They line up in the center of the cell and cell fibres pull the two arms of each chromosome apart to opposite sides of the cell
- 8What happens after the duplicated chromosomes are pulled apart?Membranes form around each set of chromosomes to form 2 new nuclei
- 9What is the last stage of mitosisThe cytoplasm divides
- 10What form of reproduction uses mitosis?Asexual
- 11What doesn't occur in asexual reproduction?variation
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- GCSE Biology (B2b) FlashCards sobre Cell Division - Mitosis , criado por francesca graham em 06-04-2016.
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- francesca graham
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