Question

write the different nitrogenous base present in DNA. how are they connected​

Answer 1

Answer:

There are two kinds of nitrogenous bases present in DNA and RNA: pyrimidine bases and purine bases. The pyrimidine bases are cytosine, thymine (DNA only) and uracil (RNA only). The purine bases are adenine and guanine. Adenine always pairs with thymine or uracil, and cytosine always pairs with guanine.

Explanation:

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Answer 2

Answer:

The different nitrogenous base present in DNA are

Adenine (A)

Guanine (G)

Cytosine (C)

Thymine (T).

And they're connected by phosphate group and the base are connected to different parts of the sugar.