#Question id: 4120
#Unit 3. Fundamental Processes
Which of the following homolog matching is incorrectly matched with thier respective subunits?
|
Bacterial |
Archaea |
RNAPI |
RPAII |
RPAIII |
|
|
1. |
B’ |
A’/A’’ |
RPA1 |
RPB1 |
RPC1 |
|
2. |
B |
K |
RPA3 |
RPB2 |
RPC4 |
|
3. |
aI |
D |
RPC5 |
RPB3 |
RPC5 |
|
4. |
aII |
L |
RPC9 |
RPB11 |
RPC9 |
#Question id: 4121
#Unit 3. Fundamental Processes
The transition from the closed to the open complex involves structural changes in the enzyme and the opening of the DNA double helix to reveal the template and nontemplate strands. This “melting” involves
A. Isomerization reaction and it does not require energy derived from ATP hydrolysis
B. Isomerization is essentially irreversible and, once complete, typically guarantees that transcription will subsequently initiate
C. Positions –11 and -2, with respect to the transcription start site.
#Question id: 4122
#Unit 3. Fundamental Processes
RNA Pol uses its active site, in a simple back-reaction, to catalyze the removal of an incorrectly inserted ribonucleotide. This phenomenon known as
#Question id: 4123
#Unit 3. Fundamental Processes
A certain bacterial mRNA is known to represent only one gene and to contain about 800 nucleotides. If you assume that the average amino acid residue contributes 110 to the peptide molecular weight, the largest polypeptide that this mRNA could code for would have a molecular weight of about:
#Question id: 4124
#Unit 3. Fundamental Processes
Assuming that the average amino acid residue contributes 110 to the peptide molecular weight, what will be the minimum length of the mRNA encoding a protein of molecular weight 50,000?
#Question id: 4125
#Unit 3. Fundamental Processes
Which of the following are features of the wobble hypothesis?