6. DNA and RNA are involved in the synthesis of proteins such as enzymes - Edexcel - GCSE Biology - Question 6 - 2014 - Paper 1
Question 6
6. DNA and RNA are involved in the synthesis of proteins such as enzymes.
(a) Protein synthesis involves transcription and translation.
Which row shows the molecule... show full transcript
Worked Solution & Example Answer:6. DNA and RNA are involved in the synthesis of proteins such as enzymes - Edexcel - GCSE Biology - Question 6 - 2014 - Paper 1
Step 1
Which row shows the molecules involved in both transcription and translation?
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Answer
The correct answer is D: mRNA in transcription and mRNA in translation. mRNA is synthesized during transcription and is then used during translation to synthesize proteins.
Step 2
Describe what happens to the molecule produced by transcription before it is translated.
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Answer
The mRNA molecule produced by transcription leaves the nucleus and moves to the cytoplasm through the nuclear membrane. Once in the cytoplasm, it attaches to a ribosome, where translation occurs.