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ID number:522228
 
Evaluation:
Published: 09.06.2004.
Language: English
Level: Secondary school
Literature: n/a
References: Not used
Extract

As a cell grows, more demand is placed on exchange of materials (nutrients intake, waste removal intake). Also more demands are placed on its DNA
As a cell grows it's surface area grows slower (Pie R Squared) than its volume (Pie R Cubed). When the ratio of Surface Area/Volume reaches a specific point chemicals called cyclins begin the cell division process.
What are chromosomes?
e 23 pairs of chromosomes or 46 in EVERY cell.…

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