Question

.........is the main element in cellular DNA and RNA.
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Answer 1

Explanation:

Both DNA and RNA are made from nucleotides, each containing a five-carbon sugar backbone, a phosphate group, and a nitrogen base. DNA provides the code for the cell 's activities, while RNA converts that code into proteins to carry out cellular functions.....

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Answer 2

Answer:

chromosomes is the main element in cellular DNA and RNA

Explanation:

because chromosomes have many chromosomes like x and y and this chromosomes give a birth to young once