Podcast
Questions and Answers
What is the function of the three codons that do not specify any amino acid?
What is the function of the three codons that do not specify any amino acid?
- To specify the start of a protein-coding sequence
- To code for methionine
- To recognize and bind to tRNAs
- To specify the end of a protein-coding sequence (correct)
What is the typical pattern of codons that specify the same amino acid?
What is the typical pattern of codons that specify the same amino acid?
- They vary at all three positions
- They vary at the third position, and contain the same nucleotides at the first and second positions (correct)
- They contain the same nucleotides at all three positions
- They vary at the first and second positions, and contain the same nucleotides at the third position
What is the role of the anticodon in tRNA?
What is the role of the anticodon in tRNA?
- To act as a termination site
- To specify the start of a protein-coding sequence
- To recognize and bind to the amino acid
- To pair with the complementary codon in an mRNA molecule (correct)
What is the function of the AUG codon?
What is the function of the AUG codon?
What is the length of a typical tRNA molecule?
What is the length of a typical tRNA molecule?
What is the role of tRNA molecules in protein synthesis?
What is the role of tRNA molecules in protein synthesis?
What is the convention for writing codons?
What is the convention for writing codons?
What is the relationship between the codons that specify the same amino acid?
What is the relationship between the codons that specify the same amino acid?
What is the function of the initiation codon?
What is the function of the initiation codon?
What is the shape of a tRNA molecule?
What is the shape of a tRNA molecule?