The following diagram shows the process of transcription.
Identify the sense strand (X or Y) of the DNA molecule.
(1)
Give a reason for your answer at part (i).
(1)
Draw an arrow on the diagram to indicate the direction in which mRNA is being synthesised.
(1)
mRNA and tRNA each have a unique structure that facilitates its role in protein synthesis.
Contrast the structure of mRNA and tRNA.
Explain the importance of transcription in protein synthesis.
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