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Bella Nat 5

U2 KA 1 Producing New Cells

QuestionAnswer
What is another name for Cell division Mitosis
What is the purpose of Cell division in multi-cellular organisms? To produce new "daughter" cells for growth and repair
What is the purpose of Cell division in single celled organisms? To reproduce
If a cell undergoing mitosis has 6 chromosomes, have many chromosomes will the "daughter" cell have? 6 Chromosomes
What is the Biological word for a cell that is an exact copy of another cell A clone
What is the purpose of Chromosomes They contain genetic information for cells to produce proteins
Why is it important that when a cell is copied by mitosis that the chromosome number stays constant? So there is a complete set of instructions in each daughter cells
What happens to the chromosomes in the nucleus just before mitosis begins? Chromosomes shorten and thicken becoming visible. Nuclear membrane disappears.
What do spindle fibres do? Spindle fibres pull chromatids apart and chromosomes to the poles of the cell.
What is a Chromatid? when duplicate chromosomes are touching at the start of mitosis they are called chromatids.
What is the equator of a cell? the imaginary line at the centre of a cell where chromosomes line up at the start of mitosis
What are spindle fibres? The “strings” that attach to chromosomes/chromatids
Are the daughter cells of mitosis haploid or diploid? Diploid
Created by: nscobie
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