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Home ‣ Biochemistry ‣ Membrane Structure and Functions See What Others Are Saying!
- Question
Membrane lipids are
Options- A. hydrophilic
- B. hydrophobic
- C. ampiphillic
- D. none of these
- Correct Answer
- hydrophilic
- 1. Which type of molecule spans the membrane, from its inner to outer surface according to the Fluid mosaic model of cell membranes?
Options- A. Cholesterol
- B. Phospholipid
- C. Protein
- D. Carbohydrate Discuss
- 2. The three identical b subunits of the F1, complex during ATP synthesis have
Options- A. different affinities for ATP but not for ADP
- B. different affinities for ADP but not for ATP
- C. different affinities for ATP and for ADP
- D. similar affinities for ADP and ATP Discuss
- 3. Which of the following is an immunodiffusion test?
Options- A. Double-diffusion
- B. Gel diffusion
- C. Ouchterloney technique
- D. All of these Discuss
- 4. How many different codons are possible?
Options- A. 3
- B. 20
- C. 64
- D. An infinite number Discuss
- 5. For gene transfer to be effective, transforming DNA must be
Options- A. incorporated into the bacterial chromosome
- B. incorporated into a viral genome
- C. free in the bacterial cytoplasm
- D. none of the above Discuss
- 6. Glycogen has
Options- A. ?-1,4 linkage
- B. ?-1,6 linkages
- C. ?-1,4 and ?-1,6 linkages
- D. ?-1,4 and ?-1,6 linkage Discuss
- 7. The released energy obtained by oxidation of glucose is stored as
Options- A. a concentration gradient across a membrane
- B. ADP
- C. ATP
- D. NAD+ Discuss
- 8. Which of the following serves as a reactant in photosynthesis and a product in cellular respiration?
Options- A. O2
- B. CO2
- C. Sunlight
- D. ATP Discuss
- 9. Each cycle of ?-oxidation produces
Options- A. 1 FADH2, 1 NAD+, and 1 acetyl-CoA
- B. 1 FADH2, 1 NADH and 1 acetyl-CoA
- C. 1 FADH2, 1 NADH and 2 CO2 molecules
- D. 1 FAD, 1 NAD+ and 2 CO2 molecules Discuss
- 10. Immunological memory is due to
Options- A. short lived macrophage that can recognize specific pathogens
- B. long lived B cells that secrete a specific antibody
- C. long lived B cells that secrete a specific antigen
- D. short lived helper T cells that signal macrophage to divide Discuss
More questions
Correct Answer: Protein
Correct Answer: different affinities for ATP and for ADP
Correct Answer: All of these
Correct Answer: 64
Correct Answer: incorporated into the bacterial chromosome
Correct Answer: ?-1,4 and ?-1,6 linkages
Correct Answer: ATP
Correct Answer: CO2
Correct Answer: 1 FADH2, 1 NADH and 1 acetyl-CoA
Correct Answer: long lived B cells that secrete a specific antibody
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