AP BIOLOGY

Detailed explanation-1: -This demonstrated that the coding unit is 3 nucleotides. The nucleotide triplet that encodes an amino acid is called a codon. Each group of three nucleotides encodes one amino acid.

Detailed explanation-2: -Each codon represents a single amino acid. Therefore, nine nucleotide bases are required to code for three amino acids. Note: A genetic code chart represents different combinations of the four nucleotide bases.

Detailed explanation-3: -Hidden within the genetic code lies the “triplet code, ” a series of three nucleotides that determine a single amino acid.

Detailed explanation-4: -One codon corresponds to three nucleotides. One codon translates to one amino acid.

Detailed explanation-5: -This is where codons come in. If we read the RNA in triplets, every unique set of three nucleotides can code for a different amino acid. There are 64 different combinations of triplet nucleotides, which gives more than enough to have one triplet per amino acid.