OBJECTIVE LIFE SCIENCE
MOLECULAR BIOLOGY
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Which are necessary to make DNA replication semi-conservative?I. Separation of the strands by RNA polymeraseII. Complementary base pairingIII. Use of a pre-existing strand as a template
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I and II only
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I and III only
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II and III only
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I, II and III
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Explanation:
Detailed explanation-1: -There are four basic components required to initiate and propagate DNA synthesis. They are: substrates, template, primer and enzymes.
Detailed explanation-2: -DNA helicases are essential during DNA replication because they separate double-stranded DNA into single strands allowing each strand to be copied. During DNA replication, DNA helicases unwind DNA at positions called origins where synthesis will be initiated.
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