Question

3. Which are the components the DNA molecule?
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Answer 1

Answer:

hey mate here is your answer

Explanation:

DNA has three types of chemical component: 

phosphate, a sugar called deoxyribose, and four nitrogenous bases—adenine, guanine, cytosine, and thymine.

Two of the bases, adenine and guanine, have a double-ring structure characteristic of a type of chemical called a purine.

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Answer 2

Hello,

• DNA is made of chemical building blocks called nucleotides. These building blocks are made of three parts: a phosphate group, a sugar group and one of four types of nitrogen bases. To form a strand of DNA, nucleotides are linked into chains, with the phosphate and sugar groups alternating.

thanks :)