

DNA Structure and Replication - Medical Science
Q1: In DNA double helix, the two DNA chains are held together byA covalent bonds between the pair of bases
B hydrogen bonds between the pair of bases
C ionic bonds between the pair of bases
D none of the above
ANS:B - hydrogen bonds between the pair of bases Bases are pair by hydrogen bond adenine & thymine by 2 hydrogen bond, cytosine & guanine by 3 hydrogen bond. |


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