BIO NMDCAT Structure of DNA

nmdcat.online July 3, 2026

82. The molecular weight of a gene is determined directly by the

A. Number of lipid layers surrounding the chromosome

B. Total number of nucleotide base pairs making up its sequence

✓

C. Concentration of amino acids stored in the cell nucleus

D. Number of ribosomes attached to its promoter

📝 Explanation

The mass of a gene depends on its length; longer nucleotide sequences contain more base pairs, increasing the total molecular weight.

📖 Additional Information

Number of lipid layers surrounding the chromosome
Total number of nucleotide base pairs making up its sequence
Concentration of amino acids stored in the cell nucleus
Number of ribosomes attached to its promoter

The mass of a gene depends on its length; longer nucleotide sequences contain more base pairs, increasing the total molecular weight.

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