Each new dna double helix consists of one old dna strand and one new dna strand, daughter dna
According to the information given, the missing mRNA sequence strand is the 4th from the given option which is AUG AAA CGU CCU. As the complementary of A in RNA is U, G is C and for T is A.
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All parasympathetic target organs
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I think humans and whales are closely related on the evolutionary tree because they are both mammals and both have endoskeleton
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Much change is due to random genetic drift rather than positive selection. Some are harmful and are likely to be eliminated by natural selection – by death of the embryo, for instance. ...