EASY
AS and A Level
IMPORTANT
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Nucleic acids are made of chains of:

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Important Questions on Nucleic Acids and Protein Synthesis

HARD
AS and A Level
IMPORTANT
Biology for Cambridge International AS & A Level coursebook 2nd Edition Digital Access>Chapter 6 - Nucleic Acids and Protein Synthesis>EXAM-STYLE QUESTIONS>Q 5

Question Image

Annotate the above drawing to explain the replication of DNA.

HARD
AS and A Level
IMPORTANT
Biology for Cambridge International AS & A Level coursebook 2nd Edition Digital Access>Chapter 6 - Nucleic Acids and Protein Synthesis>EXAM-STYLE QUESTIONS>Q 6

The given table shows all the mRNA codons for the amino acid leucine. Complete the table by entering, for each codon, the tRNA anticodon that would bind with it and the DNA triplet from which it was transcribed.

mRNA codon tRNA anticodon DNA triplet from which mRNA was 
transcribed
UUA    
UUG    
CUU    
CUC    
CUA    
CUG    
HARD
AS and A Level
IMPORTANT
Biology for Cambridge International AS & A Level coursebook 2nd Edition Digital Access>Chapter 6 - Nucleic Acids and Protein Synthesis>EXAM-STYLE QUESTIONS>Q 8

Complete the table to distinguish between the processes of transcription and translation.

  Transcription Translation
Site in a cell where it occurs    
The molecule used as a template    
Molecule produced    
Component molecules 
(monomers) of molecule 
produced		    
One other molecule that is essential for the process to occur