D1.2 Protein synthesis Quiz
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5 questions, one answer each
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1. A DNA template strand reads CAT. What is the mRNA codon?
- A. GTA
- B. GUA
- C. CAU
- D. CAT
2. Which molecule carries the anticodon?
- A. mRNA
- B. tRNA
- C. rRNA
- D. DNA
3. The same codon codes for the same amino acid in bacteria and humans. This is:
- A. Degeneracy
- B. Universality
- C. Transcription
- D. Mutation
4. Using AUG = Met, UUU = Phe, GGC = Gly, UAG = stop: what does AUGUUUGGCUAG code for?
- A. Met–Phe–Gly
- B. Met–Phe–Gly–stop–Met
- C. Phe–Gly
- D. Met–Gly–Phe
5. What moves one codon at a time along mRNA during elongation?
- A. RNA polymerase
- B. The ribosome
- C. tRNA
- D. Helicase