The answers are A and D
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Answer
150 metres
Explanation
The plate moves at a rate of 3cm/year
In 5000 years, the plate would have moved:
3cm • 5000 = 15000 cm
Convert from cm to m (100cm = 1m)
15000 / 100 = 150
Answer is therefore 150 metres
Anti-parallel DNA strands refer to those DNA molecules which contain 2 DNA strands that were held together by hydrogen. In cases that the DNA strands are not anti-parallel the non-symmetrical hydrogen bond will not be possible and will cause some issues.