Q. Which of the following appropriately describes the structural make-up of a gene?

[A] A gene is a sequence of amino acids found within a larger protein molecule

[B] A gene is a sequence of proteins found within a larger DNA molecule.

[C] A gene is a sequence of nucleotides found within a larger DNA molecule.

[D] None

Answer: C
Notes:

A gene is a stretch of nucleotides within a larger DNA molecule.

A gene is the basic physical and functional unit of heredity. Genes are made up of DNA. Some genes act as instructions to make molecules called proteins. However, many genes do not code for proteins. In humans, genes vary in size from a few hundred DNA bases to more than 2 million bases.

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