LIFE SCIENCE

OBJECTIVE LIFE SCIENCE

MOLECULAR BIOLOGY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which of the following units are repeatedly joined together to form a strand of DNA?
A
amino acids
B
nucleotides
C
fatty acids
D
polysaccharides
Explanation: 

Detailed explanation-1: -The nucleotides forming each DNA strand are connected by noncovalent bonds, called hydrogen bonds.

Detailed explanation-2: -DNA and RNA are composed of nucleotides that are linked to one another in a chain by chemical bonds, called ester bonds, between the sugar base of one nucleotide and the phosphate group of the adjacent nucleotide.

There is 1 question to complete.