Q. The hydrophilic nature of DNA is due to the presence of
β
Correct Answer: (A)
a number of hydrogen bonds
Explanation: a number of hydrogen bonds.The phosphate groups on DNA are ionic & charged. Charged molecules attract water & are hydrophilic. Each phosphate group on the DNA backbone is one unit of negative charge (-1). DNA has two hydrophilic polar external backbones made of sugars & phosphate groups joined by ester bonds.
Explanation by: Ruchi Sharma
a number of hydrogen bonds.The phosphate groups on DNA are ionic & charged. Charged molecules attract water & are hydrophilic. Each phosphate group on the DNA backbone is one unit of negative charge (-1). DNA has two hydrophilic polar external backbones made of sugars & phosphate groups joined by ester bonds.