1.

Proteins can interact with a DNA molecule by ____________________(a) fitting into the grooves(b) interacting with the base pairs(c) hydrophilic interactions(d) covalent linkages

Answer» The correct choice is (a) fitting into the grooves

The explanation is: Proteins have domains that fit into major and minor grooves of the DNA molecule. A protein interacting with the DNA in this way can read the sequence of nucleotides without having to separate the strands.


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