Question

A codon is the basis for the genetic code in all life. Which of the following...

A codon is the basis for the genetic code in all life. Which of the following statements correctly describe a codon?


are found exclusively in DNA
code for specific amino acids in protein synthesis (except for three)
are composed different combinations of A, C, G, & T
are composed of three RNA nucleotides
are principally universal in all living systems (with a few exceptions)
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Answer #1

Code for specific amino acids in protein synthesis (except for three)

Are principally universal in all living systems (with a few exceptions)

Codons form the genetic code, which is nearly universal, in that most organisms use the same codons to code for the same Amino acid. Codons are present in both DNA and RNA where the difference between the two is the presence of Uracil in RNA which is replaced by Thymine in DNA.

Each codon codes for a specific amino acid, except for the three stop codons, which signal the ribosome to stop translation.

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