Genotype To Phenotype 2
9 Questions
| Attempts: 52
(17).webp "Genotype To Phenotype 2 - Quiz")
Kurdistani 8/14/08 lec 1
Questions and Answers
- 1.Enhancer elements
- A.
Stimulate gene expression
- B.
Are orientation dependent
- C.
Bind transcriptional activators
- D.
A and B
- E.
A and C
- 2.Sp1 in CpG islands can
- A.
Recruit Pol II machinery for PIC formation
- B.
Initiate transcription in vitro
- C.
Repress gene expression
- D.
Use Pol III for transcription
- E.
A and B
- 3.True or False: Purified Pol II can initiate promoter-driven transcription
- A.
True
- B.
False
- 4._______________ are the main regulators of gene expression
- 5.Transcription factors are composed of
- A.
DNA binding domain
- B.
Activator/repressor domain
- C.
RNA pol II
- D.
BRE
- E.
A and B
- 6.The __________ subunit of the ribosome checks to determine whether the tRNA antibodon and mRNA codon have formed hydrogen bonds.
- 7._______________ occurs in 3 steps: initiation, elongation, and termination
- 8.The ________ subunit of the ribosome has four sites: transfer site, amino acid site, polypeptide site, and exit site.
- 9.Many antibiotics and toxins function to inhibit ___________________.
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