What is the sequence of the start codon?

Prepare for the Molecular Genetics Exam with comprehensive resources. Use flashcards and detailed multiple-choice questions featuring explanations. Begin your learning journey and succeed!

Multiple Choice

What is the sequence of the start codon?

Explanation:
Initiation of translation begins at the start codon, which marks the reading frame and signals the ribosome to begin assembling the protein. The standard start codon is AUG, which in eukaryotes codes for methionine and is recognized by the initiator tRNA to kick off protein synthesis. In bacteria, AUG is also the usual start codon, though the first amino acid is formylmethionine. The other triplets listed are stop codons (UAG, UAA, UGA) that tell the ribosome to terminate translation rather than start it. So AUG is the start codon sequence.

Initiation of translation begins at the start codon, which marks the reading frame and signals the ribosome to begin assembling the protein. The standard start codon is AUG, which in eukaryotes codes for methionine and is recognized by the initiator tRNA to kick off protein synthesis. In bacteria, AUG is also the usual start codon, though the first amino acid is formylmethionine. The other triplets listed are stop codons (UAG, UAA, UGA) that tell the ribosome to terminate translation rather than start it. So AUG is the start codon sequence.

Subscribe

Get the latest from Passetra

You can unsubscribe at any time. Read our privacy policy