A-LevelBiologyNucleic acids and protein synthesisOct/Nov 2011Paper 1 Q201 Mark
In a genetic engineering experiment, a piece of double-stranded DNA containing 12 × 10³ nucleotides coding for specific polypeptide is transcribed and translated. What is the total number of amino acids in this polypeptide?
A6 x 10³
B4 x 10³
C2 x 10³
D1 x 10³
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The correct answer is C. 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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