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In a DNA strand, the nucleotides are linked together by:
a. glycosidic bonds
b. phosphodiester bonds
c. peptide bonds
d. hydrogen bonds
Answers (1)
The answer is the option (b) Phosphodiester bonds.
The two strands of the polynucleotide chain that makeup the DNA are joined by hydrogen bonding. A phosphodiester bond binds one nucleotide to another nucleotide. Between the third and fifth carbons of two consecutive nucleotides, a phosphodiester bond is created. Hence, (b) is the correct option.
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