AIPMT PRELIMS2004Zoology-Molecular Biology
AIPMT PRELIMS 2004 Zoology Enzymes MCQ Question
Type: MCQ-conceptual-Medium-Class 12
Restriction endonucleases :-
A
Are used in genetic engineering for ligating two DNA molecules
B
Are used for in vitro DNA synthesis
C
Are synthesized by bacteria as part of their defense mechanism
D
Are present in mammalian cells for degradation of DNA when the cell dies
Correct Answer
Option C
Detailed Explanation
Restriction endonucleases are enzymes produced by bacteria to protect against viral DNA by cutting it at specific sites.
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