They set aside other activities, face in the direction of the Muslim holy city of Mecca, and kneel down in worship.
VOA: standard.2010.05.21
They face in the opposite direction and you could predict the properties of one from base pairing rules of the other but they're not the same.
它们是反向的,尽管你能够通过一条链上的碱基序列,预测另一条链的序列,但这两条链是不同的
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