mbv2010/bio2140 colloquium, april 9. rules multiple choice only one correct answer 30-60 seconds to...
TRANSCRIPT
RULES
• Multiple choice• Only one correct answer• 30-60 seconds to answer• No textbook, computer, mobile phone, please
There will be a prize for the group with the most correct answers.
Most small nuclear RNA genes are transcribed by
A RNA polymerase I
B RNA polymerase II
C RNA polymerase III
D RNA polymerase IV
1
Most small nuclear RNA genes are transcribed by
A RNA polymerase I
B RNA polymerase II
C RNA polymerase III
D RNA polymerase IV
1
The carboxy-terminal domain of RNApolymerase II consists of a repeated
A heptapeptide (7 repeats)
B hexapeptide (6 repeats)
C octapeptide (8 repeats)
D decapeptide (10 repeats)
2
The carboxy-terminal domain of RNApolymerase II consists of a repeated
A heptapeptide (7 aa)
B hexapeptide (6 aa)
C octapeptide (8 aa)
D decapeptide (10 aa)
2
Tyr-Ser-Pro-Thr-Ser-Pro-Ser
The human CTD consists of
A 27 repeats
B 32 repeats
C 45 repeats
D 52 repeats
3
Tyr-Ser-Pro-Thr-Ser-Pro-Ser
The human CTD consists of
A 27 repeats (yeast)
B 32 repeats (Caenorhabditis)
C 45 repeats (Drosophila)
D 52 repeats (humans)
3
Tyr-Ser-Pro-Thr-Ser-Pro-Ser
The TATA-binding protein (TBP) is part of
A Transcription factor IIA
B Transcription factor IIB
C Transcription factor IID
D Transcription factor IIE
4
The TATA-binding protein (TBP) is part of
A Transcription factor IIA
B Transcription factor IIB
C Transcription factor IID
D Transcription factor IIE
4
FACT is a protein complex involved in
A Transcription
B Replication
C Translation
D Recombination
5
?
FACT is a protein complex involved in
A Transcription
B Replication
C Translation
D Recombination
5
FACT = facilitates chromatin transcription
The rho protein mediates
A Initiation of transcription
B Initiation of replication
C Site-specific recombination
D Termination of transcription
6
The rho protein mediates
A Initiation of transcription
B Initiation of replication
C Site-specific recombination
D Termination of transcription
6
Which type of intron does not require abranch site for splicing?
A Group I introns
B GU-AG introns
C AU-AC introns
D Group II introns
7
Which type of intron does not require abranch site for splicing?
A Group I introns
B GU-AG introns
C AU-AC introns
D Group II introns
7
Which of the following proteins plays a role in splice site selection?
A snRNPs
B SR proteins
C Sxl protein
D U2
8
Which of the following proteins plays a role in splice site selection?
A snRNPs
B SR proteins
C Sxl protein
D U2
8
Amino acids are linked to tRNAs at
A the 5’ terminus of tRNAs
B the adenine base at the 3’ terminus
C the ribose at the 3’ terminus
D the phosphate linking the 3’ terminal nucleotides of tRNAs
9
Amino acids are linked to tRNAs at
A the 5’ terminus of tRNAs
B the adenine base at the 3’ terminus
C the ribose at the 3’ terminus
D the phosphate linking the 3’ terminal nucleotides of tRNAs
9
Which of the following components of thetranslation machinery has proofreadingcapability?
A ribosomal RNAs
B ribosomal proteins
C translation initiation factors
D tRNA synthetases
10
Which of the following components of thetranslation machinery has proofreadingcapability?
A ribosomal RNAs
B ribosomal proteins
C translation initiation factors
D tRNA synthetases
10
Peptide bond formation is catalyzed by
A ribosomal RNA
B ribosomal proteins
C translation factors
D all of the above
11