IB Biology · D1.2 · HL

D1.2 Protein Synthesis (HL)

10 review questions with answers for D1.2 Protein Synthesis (HL). Read them here, or play the set as a class game on the projector. Free to host, and students join with a code.

A question from this set

The direction in which RNA is synthesized during transcription?

  • A site (Aminoacyl)
  • Capping and Polyadenylation
  • E site (Exit)
  • 5' to 3' directionRight answer
From D1.2 Protein Synthesis (HL), 10 questions.

All 10 questions and answers

  1. The direction in which RNA is synthesized during transcription?

    Answer: 5' to 3' direction

  2. Non-coding sequences removed from pre-mRNA in eukaryotes?

    Answer: Introns

  3. The coding sequences that are joined together to form mature mRNA?

    Answer: Exons

  4. The site on the ribosome where the tRNA carrying the next amino acid joins?

    Answer: A site (Aminoacyl)

  5. The site on the ribosome that holds the tRNA with the growing polypeptide chain?

    Answer: P site (Peptidyl)

  6. The site where empty tRNAs leave the ribosome?

    Answer: E site (Exit)

  7. A group of several ribosomes translating the same mRNA strand simultaneously?

    Answer: Polysome

  8. Adding a 7-methylguanosine cap and a poly-A tail to protect pre-mRNA?

    Answer: Capping and Polyadenylation

  9. The complex made of proteins and snRNA that removes introns from pre-mRNA?

    Answer: Spliceosome

  10. The process that allows one gene to code for multiple different proteins by joining different combinations of exons?

    Answer: Alternative Splicing

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