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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
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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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