Multiple Choice
Which enzyme is responsible for synthesizing tRNA during transcription?
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15. Gene Expression
Introduction to Transcription
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Which of the following is true for both prokaryotic and eukaryotic gene expression?
A
RNA polymerase binds to the promoter region to initiate transcription.
B
Transcription and translation occur simultaneously.
C
Transcription occurs in the nucleus.
D
mRNA is processed with a 5' cap and poly-A tail before translation.
Verified step by step guidance1
Understand the basic process of gene expression, which involves transcription and translation.
Recognize that both prokaryotic and eukaryotic cells use RNA polymerase to bind to the promoter region of DNA to initiate transcription.
Note that in prokaryotes, transcription and translation can occur simultaneously because they lack a nucleus, whereas in eukaryotes, these processes are separated by the nuclear membrane.
Identify that in eukaryotic cells, mRNA undergoes processing, including the addition of a 5' cap and a poly-A tail, before it is translated. This does not occur in prokaryotes.
Conclude that the statement 'RNA polymerase binds to the promoter region to initiate transcription' is true for both prokaryotic and eukaryotic gene expression, as this is a fundamental step in the transcription process for both cell types.
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