Multiple Choice
Which RNA nucleotide is complementary to adenine during transcription?
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11. Translation
The Genetic Code
Multiple Choice
In the context of the genetic code, what is a DNA triplet called?
A
Anticodon
B
Promoter
C
Exon
D
Codon
Verified step by step guidance1
Understand that the genetic code is read in sets of three nucleotides in DNA or RNA, which correspond to specific amino acids or signals during protein synthesis.
Recognize that a 'DNA triplet' refers to a sequence of three nucleotides in DNA that codes for one amino acid.
Recall the terminology: a 'codon' is a triplet of nucleotides in mRNA that specifies an amino acid, while the corresponding triplet in DNA is often called a 'triplet' or 'codon' as well, since it is the template for mRNA codons.
Differentiate between the other options: an 'anticodon' is a triplet in tRNA complementary to the mRNA codon; a 'promoter' is a DNA sequence where transcription begins; an 'exon' is a coding segment of a gene.
Conclude that the correct term for a DNA triplet that codes for an amino acid is 'codon'.
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