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- Question
Which of the following is an immunodiffusion test?
Options- A. Double-diffusion
- B. Gel diffusion
- C. Ouchterloney technique
- D. All of these
- Correct Answer
- All of these
- 1. The dissociation constant of H2O at 25° C is
Options- A. 10-14 M
- B. 1014 M
- C. 10-7 M
- D. 107 M Discuss
- 2. What would be the molecular formula for a polymer made by linking ten glucose molecules together by dehydration synthesis, if molecular formula for glucose is C6H,206?
Options- A. C60H100O50
- B. C60H120O60
- C. C60H102O51
- D. (C6H12O6)10 Discuss
- 3. Most of the important functional groups in biological molecules contain
Options- A. oxygen and/or nitrogen and are acidic
- B. oxygen and a phosphate
- C. nitrogen and a phosphate
- D. oxygen and/or nitrogen and are polar Discuss
- 4. The correlation between free energy ?G transfer between the aqueous/organic phases and the surface area of amino acid residues
Options- A. reflects the reduction in solvent-accessible area during protein folding
- B. is only meaningful for the polar amino acids
- C. ignores the important contribution of the peptide bond
- D. is similar to effects seen with SDS denaturation Discuss
- 5. Which of these genes codes for a protein that plays a role in white blood cell function?
Options- A. DCP1
- B. MPO
- C. GLUT4
- D. RP13 Discuss
- 6. The multistep pathways of metabolism are efficient because they
Options- A. locate all of the enzymes for a pathway in the same place within the cell
- B. use the same substrate for all of the enzymes in the pathway
- C. use the same enzyme for all of the substrates in the pathway
- D. spread the enzymes for a pathway into several different organelles Discuss
- 7. Where in a eukaryotic cell, DNA can be found?
Options- A. Nucleus
- B. Mitochondrion
- C. Vacuole
- D. Both (a) and (b) Discuss
- 8. The key enzyme in the regulation of fatty acid synthesis is
Options- A. acetyl CoA carboxylase
- B. AMP activated proteinkinase
- C. protein phosphatase
- D. none of these Discuss
- 9. How many possible orientations do spin 1/2 nuclei have when they are located in an applied magnetic field?
Options- A. 2
- B. 4
- C. 3
- D. 6 Discuss
- 10. A person suffering from phenylketonuria on consumption food containing high phenylalanine may lead to the accumulation of
Options- A. phenylalanine
- B. phenylpyruvate
- C. tyrosine
- D. isoleucine Discuss
More questions
Correct Answer: 10-14 M
Correct Answer: C60H102O51
Correct Answer: oxygen and/or nitrogen and are polar
Correct Answer: reflects the reduction in solvent-accessible area during protein folding
Correct Answer: MPO
Correct Answer: locate all of the enzymes for a pathway in the same place within the cell
Correct Answer: Both (a) and (b)
Correct Answer: acetyl CoA carboxylase
Correct Answer: 2
Correct Answer: phenylpyruvate
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