OBJECTIVE LIFE SCIENCE
MOLECULAR BIOLOGY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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The only N-containing nutrient available to a group of bacteria is heavy (15N) nitrogen, All the bacteria divide just once and the new DNA in these new cells is examined (after DNA replication). What type of nitrogen would you find in that DNA?
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Only heavy nitrogen (15N) strands in the DNA molecules
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Some heavy (15N) and some light nitrogen strands in the DNA molecules
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One heavy (15N) and one light strand in each DNA molecule
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Variable nitrogen in the DNA molecules
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Explanation:
Detailed explanation-1: -When new DNA molecules are formed, almost all errors are detected and fixed by. the correct nucleotide.
Detailed explanation-2: -The diagram represents a model of DNA replication. What can you conclude about DNA replication from this diagram? Both original strands are replicated in the same direction.
There is 1 question to complete.