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Biology SL (FE2016)

Paper 1

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Biology SL (FE2016)

Available time 20 Minute(s)

The process of gene transfer by plasmids is illustrated below

What all causes an increase in natural selection?

Some red blood cells and tissue cells are shown in the diagram below. Arrow 3 shows the movement of oxygen

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The process of gene transfer by plasmids is illustrated below

What enzymes are essential for steps I and II to happen?

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