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Science

Living and growing

DNA and enzymes - higher tier - Test

1.

In a DNA molecule which base pairs with C?

2.

How many different three letter codes can be made from A, T, C and G?

3.

In DNA fingerprinting, fragments of DNA are separated using which technique?

4.

Enzyme reactions are slow at low temperatures because:

5.

Enzyme reactions are slow at high temperatures because: