a denatured enzyme changes shape, so the active site will also change shape. this means it wont fit the substrate anymore and the reaction wont be catalysed.
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Card 19
Front
Organisms can be much larger, The cells can differentiate and organisms can be much more complex.
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Card 20
Front
Materials can't diffuse throughout the whole organism and so specialised organs and transport systems must be developed.
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Card 21
Front
mitosis
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Card 22
Front
Cell divison for growth. A diploid cell copies its DNA, divides and the cell splits.The two daughter cells are diploid and are genetically identical.
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Card 23
Front
A cell with two copies of each chromosome
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Card 24
Front
The DNA unzips and new complimentary bases are added to the original strands, making two full double helixes. The chromosomes line up in the centre of a cell. The copies divide. They move to opposite sides(poles) of the cell. The cell divides.
