Question

what is the biological term for a set of three nucleotide bases that make up a unit of genetic code?

nurons

enzymes

introns

codons

Explanation:

In genetics, a codon is a sequence of three - nucleotide bases that form a unit of the genetic code. It is used to specify a particular amino - acid during protein synthesis. Neurons are nerve cells in the nervous system. Exons are parts of a gene that are translated into proteins. Introns are non - coding regions of a gene.

Answer:

D. codons