DP Biology (first assessment 2025)

Test builder »

Question 22M.2.SL.TZ1.4c

Select a Test
Date May 2022 Marks available [Maximum mark: 2] Reference code 22M.2.SL.TZ1.4c
Level SL Paper 2 Time zone TZ1
Command term Outline Question number c Adapted from N/A
c.
[Maximum mark: 2]
22M.2.SL.TZ1.4c
(c)

Outline the role of tRNA in hemoglobin synthesis.

[2]

Markscheme
  1. decoding/translation (of the genetic code/RNA base sequence);
  2. carries/brings one amino acid/a specific amino acid/the amino acid (corresponding to codon/anticodon);
  3. tRNA has an anticodon which pairs with mRNA/is complementary to a codon (on mRNA);
Examiners report

There were varied answers to this question. The best made it clear that a tRNA molecule carries one specific amino acid corresponding to its anticodon and to the codon on mRNA to which it binds during translation.

Syllabus sections