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Which of the following best describes the components of the DNA twisted ladder?

A. The sides are made of alternating polypeptide chains, and the rungs are made of amino acid segments joined by
hydrogen bonds

B. The sides are made of alternating amino acids, and the rungs are made of polypeptide chains joined by hydrogen bonds.

C. The sides are made of alternating phosphate-sugar groups, and the rungs are made of complementary nitrogenous
bases joined by hydrogen bonds

D.The sides are made of alternating nitrogenous bases, and the rungs are made of phosphate-sugar groups joined by hydrogen bonds

Answer :

Adefioyelaoyego

The sides are made of alternating phosphate-sugar groups, and the rungs

are made of complementary nitrogenous bases joined by hydrogen bonds

DNA which is also called Deoxyribonucleic acid contains genetic information

which are passed from the parent to offspring. DNA is made up of an

alternating phosphate-sugar group in which the sugar is deoxyribose.

The alternating phosphate-sugar group are located at the side of the ladder.

The rungs are made up of complementary nitrogenous bases joined by

hydrogen bonds. Example of nitrogenous bases include adenine, thymine,

guanine and cytosine.

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