Chemistry NEET Full Syllabus Mock Test 180 Question New Syllabus Mock Test - 3 PCB Single Correct MCQ
Published on: August 12, 2026

A restriction enzymes breaks bonds between

A
base pair of DNA molecule
B
base pair of DNA-RNA hybrid molecule
C
sugar and phosphate components of a nucleic acid molecule
D
exons and introns of a DNA molecule

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The correct answer is:
C

A restriction enzyme is a molecular scissor that cleaves DNA molecules at specific sites.

This enzyme cleaves the phosphodiester bonds present between two adjacent nucleotides of DNA molecules.

The phosphodiester bond is formed between the group at carbon of deoxyribose sugar and phosphate group attached to the carbon of the sugar of second nucelotide.

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