A-LevelBiologyNucleic acids and protein synthesisMay/June 2024Paper 1 Q71 Mark
Which statements about peptide bond formation are correct? 1 The bond formation occurs between a carbon of one amino acid and a nitrogen of the next amino acid after the amino acids detach from tRNA. 2 The bond formation occurs at the ribosome while the amino acids are still attached to tRNA, and is a hydrolysis reaction. 3 The bond formation is important for growth of an organism and when the bond forms, a water molecule is removed.
A1 and 3
B2 and 3
C2 only
D3 only
✓ Correct Answer
The correct answer is D. This question tests the candidate's understanding of nucleic acids and protein synthesis within the Biologysyllabus. The examiner's mark scheme requires...
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Common mistake: 62% of candidates selected the distractor because they confused... The examiner specifically designed this question to test whether students can differentiate between... To secure full marks, candidates must demonstrate...
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