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stepan [7]
4 years ago
12

What is on the inside (rungs)of the ladder?

Biology
2 answers:
Dima020 [189]4 years ago
8 0

Answer:

The rungs of the ladder or the steps are made up of the nitrogenous purine bases adenine and guanine as well as the nitrogenous pyrimidine bases thymine and cytosine. The rails on either side are alternating molecules of the sugar called deoxyribose and a phosphate.

marta [7]4 years ago
7 0

Answer:

The rungs of the ladder or the steps are made up of the nitrogenous purine bases adenine and guanine as well as the nitrogenous pyrimidine bases thymine and cytosine. The rails on either side are alternating molecules of the sugar called deoxyribose and a phosphate.

Explanation:

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