Question

What are important features of double-helical model of DNA ? And what is double-helical DNA ?​

Answer 1

Answer:

Features of a double helical model of DNA : It contains two polynucleotide strands wound around each other. The backbone of each consists of alternating deoxyribose and phosphate groups. The phosphate group bonded to the 5' carbon atom of one deoxyribose is covalently bonded to the 3' carbon of the next.

Explanation:

pls mark me as brainliest

Answer 2

Explanation:

The double helix of DNA has these features: It contains two polynucleotide strands wound around each other. The backbone of each consists of alternating deoxyribose and phosphate groups. The phosphate group bonded to the 5' carbon atom of one deoxyribose is covalently bonded to the 3' carbon of the next.