OBJECTIVE LIFE SCIENCE
MOLECULAR BIOLOGY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Enzyme that connects the DNA to the backbone (glues)
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Ligase
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Polymerase
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Helicase
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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: -DNA ligase is an enzyme that can join two DNA molecules. You can think of DNA ligase as molecular glue. DNA ligase joins two DNA molecules together by forming a phosphodiester bond between the two molecules.
Detailed explanation-3: -DNA ligase is used to join two fragments of DNA to seal the gaps between them. Thus, they are known as molecular glues.
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