OBJECTIVE LIFE SCIENCE
MOLECULAR BIOLOGY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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The enzyme used to join the DNA strands (nucleotides)
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DNA Helicase
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DNA Topoisomerase
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DNA Ligase
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Primase
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Explanation:
Detailed explanation-1: -DNA ligase is a DNA-joining enzyme. If two pieces of DNA have matching ends, ligase can link them to form a single, unbroken molecule of DNA. In DNA cloning, restriction enzymes and DNA ligase are used to insert genes and other pieces of DNA into plasmids.
Detailed explanation-2: -Ligases join fragments of DNA together by catalysing the formation of bonds between neighbouring nucleotides.
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