Q1 of 71 Page 36

In a DNA strand the nucleotides are linked together by:

In a DNA strand the nucleotides are linked together by phosphodiester bond. It is a linkage between 3’Carbon of one deoxyribose sugar molecule and 5’ Carbon of the other sugar molecule.

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2

A nucleoside differs from a nucleotide. It lacks the:

 3

Both deoxyribose and ribose belong to a class of sugars called:

 4

The fact that a purine base always pairs through hydrogen bonds with a pyrimidine base in the DNA double helix leads to:

 5

The net electric charge on DNA and histones is: