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Biochemistry - Transcription and Regulation

Exercise : Transcription and Regulation - Section 1
  • Transcription and Regulation - Section 1
1.
The complex of RNA polymerase, DNA template and new RNA transcript is called
transcription bubble
replication bubble
a translation bubble
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
2.
RNA polymerase in prokaryotes has a removable
alpha subunit
beta subunit
both (a) and (b)
sigma subunit
Answer: Option
Explanation:
No answer description is available. Let's discuss.
3.
Promoters for tRNAs are located
upstream from the start codon
downstream from the start codon
both (a) and (b)
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
4.
The binding of lac repressor to DNA could be considered to be analogous to
competitive inhibition of an enzyme
mixed-type inhibition of an enzyme
uncompetitive inhibition of an enzyme
allosteric effects in enzyme regulation
Answer: Option
Explanation:
No answer description is available. Let's discuss.
5.
Rho-dependent termination of transcription in E. coli
requires ATP
requires about 50 nucleotides of uncomplexed mRNA
both (a) and (b)
removes mRNA and holoenzyme from the DNA
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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