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- Question
Which of the following are responsible causing the diseases?
Options- A. Pathogens
- B. T cells
- C. Lymphocytes
- D. Macrophages
- Correct Answer
- Pathogens
- 1. An eluotropic series
Options- A. ranks solvents by their relative abilities to displace solutes from a given absorbent
- B. ranks column packing material by their relative abilities to retain solutes on the column
- C. is a measure of the solvent adsorption energy
- D. none of the above Discuss
- 2. DNA is methylated at
Options- A. AC sequences
- B. TATA sequences
- C. CAAT sequences
- D. CG sequences Discuss
- 3. Fab fragment has
Options- A. one antigen binding site
- B. two antigen binding site
- C. one antibody binding site
- D. two antibody binding site Discuss
- 4. Under aerobic condition pyruvate is converted by pyruvate dehydrogenase to
Options- A. phosphoenol pyruvate
- B. acetyl CoA
- C. lactate
- D. glyceraldehyde 3 phosphate Discuss
- 5. Bactriophages absorb to a bacterial surface and inject the phage DNA through the
Options- A. cell wall into cytosol
- B. cell wall into plasmamembrane
- C. both (a) and (b)
- D. cell wall into endoplasmic reticulum Discuss
- 6. In a cesium chloride gradient, DNA labeled with 15N and centrifuged will form a band
Options- A. above DNA containing 14N
- B. below DNA containing 14N
- C. with 14N-containing DNA
- D. all of these Discuss
- 7. Reverse transcriptase produces
Options- A. DNA from peptides
- B. RNA from DNA
- C. RNA from RNA
- D. DNA from RNA Discuss
- 8. Headspace analysis is carried out in order to
Options- A. analyse volatile compounds from solid or liquid samples
- B. determine the psychological state of the tutor
- C. analyse the column contents ahead of the sample
- D. determine non-volatiles Discuss
- 9. The higher order structure of DNA shows symmetry, whereas the higher order structures of most proteins do not. Why isn't protein shape more regular like DNA?
Options- A. DNA has one main function in cells whereas proteins have many.
- B. The many different amino acid R groups on proteins confer many different shapes.
- C. Some S amino acids cause proteins to bend; others cause protein to flatten.
- D. All of the above Discuss
- 10. Coenzyme Q is involved in electron transport as
Options- A. directly to O2
- B. a water-soluble electron donor
- C. covalently attached cytochrome cofactor
- D. a lipid-soluble electron carrier Discuss
More questions
Correct Answer: ranks solvents by their relative abilities to displace solutes from a given absorbent
Correct Answer: CG sequences
Correct Answer: one antigen binding site
Correct Answer: acetyl CoA
Correct Answer: cell wall into cytosol
Correct Answer: below DNA containing 14N
Correct Answer: DNA from RNA
Correct Answer: analyse volatile compounds from solid or liquid samples
Correct Answer: All of the above
Correct Answer: a lipid-soluble electron carrier
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