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3 years ago

The amino acids coded by specific condons

Biology

1 answer:

svetoff [14.1K]3 years ago

6 0

Explanation:

Codons are three nucleotide bases encoding coding and amino acid or signal at the beginning or end of protein synthesis. In the genetic code, an amino acid is encoded by 3 nucleotides, while there are just 4 bases.A set of amino acids, 20 in total, build proteins from numerous configurations

∴ for 20 amino acids, and 4 nucleotides a minimum of 3 bases is required $N^{3}$ = $4^{3}$ = 64 possible codon arrangements

Given the degeneracy of the genetic code- the code contains more information that necessary multiple codons encode the same amino acid.

e.g.UUA and UUG encode the amino acid Leucine

Further Explanation:

The nucleic acids are comprised of smaller units called nucleotides and function as storage for the body’s genetic information. These monomers include ribonucleic acid (RNA) or deoxyribonucleic acid (DNA). They differ from other macromolecules since they don’t provide the body with energy. They exist solely to encode and protein synthesis.

Basic makeup: C, H, O, P; they contain phosphate group 5 carbon sugar does nitrogen bases which may contain single to double bond ring.

RNA codons determine certain amino acids so the order in which the bases occur within in the codon sequence designates which amino acid is to be made bus with the four RNA nucleotides (Adenine, Cysteine and Uracil) Up to 64 codons (with 3 as stop codons) determine amino acid synthesis. The stop codons ( UAG UGA UAA) terminate amino acid/ protein synthesis while the start codon AUG begins protein synthesis.

The wobble hypothesis states that the first two bases within a codon for an amino acid have an exact pairing with anticodons of tRNA. However, the pairing of the third bases may vary or wobble- thus a tRNA can recognise multiple codons. This explains how multiple codons can encode the same amino acid.

Learn more about transcription at brainly.com/question/11339456

Learn more about DNA and RNA brainly.com/question/2416343?source=aid8411316

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