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Home ‣ Biochemistry ‣ Disease Associated with Immune System See What Others Are Saying!
- Question
Which of the Rous sarcoma virus has a homologous cellular protein?
Options- A. c-src
- B. v-src
- C. v-ha-src
- D. v-ha-ras
- Correct Answer
- c-src
- 1. If the F and Y angles of each peptide unit in a protein are known, which of the following may also be determined?
Options- A. Complete secondary structure
- B. Complete tertiary structure
- C. Complete quaternary structure
- D. Thermodynamic stability Discuss
- 2. Plant transformation can be obtained by
Options- A. combining plant and animal cells in culture
- B. shooting DNA into plant cells with a gun
- C. using the E. coli bacterium to infect plant roots
- D. infecting plants with a tobacco mosaic virus Discuss
- 3. Eukaryotic mRNA binding to the ribosomes is facilitated by __________ .
Options- A. the Shine Dalgarno sequence
- B. the 7-methyl guanosine cap
- C. tRNA
- D. poly A tail Discuss
- 4. Enzyme-driven metabolic pathways can be made more efficient by
Options- A. concentrating enzymes within specific cellular compartments
- B. grouping enzymes into free-floating, multienzyme complexes
- C. fixing enzymes into membranes so that they are adjacent to each other
- D. All of the above Discuss
- 5. In the enzyme-catalyzed reaction shown below, what will be the effect on substances A, B, C, and D of inactivating the enzyme labeled E2?
A ---(E1)---> B ---(E2)---> C ---(E3)--->
Options- A. A, B, C, and D will all still be produced
- B. A, B, and C will still be produced, but not D
- C. A and B will still be produced, but not C or D
- D. A will still be produced, but not B, C, or D Discuss
- 6. Which of the three subunits of the G proteins binds GDP and GTP?
Options- A. Alpha
- B. Beta
- C. Gamma
- D. Delta Discuss
- 7. Multiple copies of 5S genes, located at a chromosomal site distinct from the other rRNA genes
Options- A. are transcribed by rRNA polymerase III and the 5S rRNA
- B. are transcribed by rRNA polymerase II
- C. are transcribed by rRNA polymerase I and the 5S rRNA
- D. are transcribed by DNA polymerase I Discuss
- 8. Proteins separation can be carried out on the basis of
Options- A. net charge
- B. solubility in salt solutions
- C. size or mass
- D. all of these Discuss
- 9. Phosphofructokinase, the major flux-controlling enzyme of glycolysis is allosterically inhibited and activated respectively by
Options- A. ATP and PEP
- B. AMP and Pi
- C. ATP and ADP
- D. Citrate and ATP Discuss
- 10. RNA is synthesized on a DNA template in a process called __________ , which utilizes the enzyme __________
Options- A. translation, RNA polymerase
- B. transcription, DNA polymerase
- C. transcription, RNA polymerase
- D. replication, DNA polymerase Discuss
More questions
Correct Answer: Complete secondary structure
Correct Answer: shooting DNA into plant cells with a gun
Correct Answer: the 7-methyl guanosine cap
Correct Answer: All of the above
Correct Answer: A and B will still be produced, but not C or D
Correct Answer: Alpha
Correct Answer: are transcribed by rRNA polymerase III and the 5S rRNA
Correct Answer: all of these
Correct Answer: ATP and ADP
Correct Answer: transcription, RNA polymerase
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