Discussion
Home ‣ Biochemistry ‣ TCA Cycle See What Others Are Saying!
- Question
Oxidation of a molecule involves
Options- A. gain of electron
- B. loss of electron
- C. gain of proton
- D. loss of proton
- Correct Answer
- loss of electron
- 1. If a disease of the blood vessels caused the endothelial cells of the vessel to die, what effect would that have on the cellular activities associated with vasodilation?
Options- A. Nitric oxide would no longer be produced
- B. Smooth muscle cells could not be made to relax
- C. It would be more difficult to increase blood flow and reduce blood pressure
- D. All of the above Discuss
- 2. An FT-IR instrument record a signal in the
Options- A. time domain
- B. frequency domain
- C. both (a) and (b)
- D. none of these Discuss
- 3. A frameshift mutation occurs in the sigma subunit gene transcribed as part of SPOl early genes. What will be the immediate result?
Options- A. Early genes will not be translated
- B. Middle genes will not be transcribed
- C. The bacterial host will lyse immediately
- D. Infection will proceed as usual Discuss
- 4. Which of the following enzyme does not take part in the TCA cycle?
Options- A. Citrate synthase
- B. Iso-citrate dehydrogenase
- C. Pyruvate dehydrogenase
- D. Malate dehydrogenase Discuss
- 5. Which of the following statement is incorrect?
Options- A. Hemoglobin and myoglobin are the two oxygen binding proteins
- B. Hemoglobin transports O2 in the blood
- C. Myoglobin stores O2 in muscles
- D. None of the above Discuss
- 6. Rho-dependent termination of transcription in E. coli
Options- A. requires ATP
- B. requires about 50 nucleotides of uncomplexed mRNA
- C. both (a) and (b)
- D. removes mRNA and holoenzyme from the DNA Discuss
- 7. Which of the following conditions would cause the release of the lac repressor protein from the lac operator site on DNA?
Options- A. Presence of glucose in the growth media
- B. Presence of lactose in the growth media
- C. Presence of IPTG (isopropyl thiogalactoside) in the growth media
- D. Both (b) and (c) Discuss
- 8. The chromosomal DNA complexes with
Options- A. three types of histone as H1, H2A and H4
- B. five types of histone as H1, H2A, H2B, H3 and H4
- C. four types of histone as H1, H2A, H3 and H4
- D. two types of histone as H1 and H4 Discuss
- 9. A cesium chloride will separate DNA molecules by
Options- A. absorption
- B. resorption
- C. density
- D. adhesion Discuss
- 10. Okazaki fragments occur during
Options- A. transformation
- B. replication
- C. polymerase reaction
- D. synthesis Discuss
More questions
Correct Answer: All of the above
Correct Answer: time domain
Correct Answer: The bacterial host will lyse immediately
Correct Answer: Pyruvate dehydrogenase
Correct Answer: None of the above
Correct Answer: both (a) and (b)
Correct Answer: Both (b) and (c)
Correct Answer: five types of histone as H1, H2A, H2B, H3 and H4
Correct Answer: density
Correct Answer: replication
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