Discussion
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- Question
Molecules in which the atoms are held together by __________ bonds have the strongest chemical linkages.
Options- A. noncovalent
- B. covalent
- C. ionic
- D. hydrogen
- Correct Answer
- covalent
- 1. In the co-enzyme B12the position occupied by a cyanide ion in vitamin B12 is bonded directly to the __________ of the ribose of adenosine.
Options- A. adenine
- B. 5-6 dimethylbenzimidazole
- C. hydroxycobalamin
- D. cyanocobalamin Discuss
- 2. The highly folded membranes found in such eukaryotic organelles as mitochondria and chloroplasts
Options- A. increase the surface area where key chemical processes can occur
- B. help the cell against physical damage
- C. make it possible to package large amounts of DNA within the cell
- D. assist with cell movement Discuss
- 3. A five carbon sugar lacking a hydrogen at the number 2 carbon is found in
Options- A. DNA
- B. RNA
- C. mRNA
- D. rDNA Discuss
- 4. Monoclonal antibodies were first produced by
Options- A. Georges Kohler and Cesar Milstein
- B. Sarkar and Sommer
- C. Selman Waksman
- D. Edward Jenner and Louis Pasteur Discuss
- 5. A secondary antibody is an antibody that
Options- A. has been used in prior experiments
- B. is synthetically produced
- C. binds to another antibody
- D. is produced in boostered animals Discuss
- 6. The IPTG is a gratuitous inducers of (?-galactosidase, and x-gal is a chromogenic substrate. When ?-complementation occurs which colour is produced?
Options- A. Blue
- B. White
- C. Brown
- D. No colour is produced Discuss
- 7. The FADH2 and NADH produced by the oxidation of one acetyl-CoA results in the synthesis of about-
Options- A. 3 ATPs
- B. 6 ATPs
- C. 11 ATPs
- D. 15 ATPs Discuss
- 8. DNAs when charged, migrate in a gel towards the
Options- A. positive pole
- B. negative pole
- C. will not migrate
- D. none of these Discuss
- 9. Which of the following mineral deficiency may result into impaired growth and development, skin lesions and loss of appetite?
Options- A. Zinc
- B. Cobalt
- C. Iron
- D. Magnesium Discuss
- 10. During cellular respiration, most of the ATP made, is generated by
Options- A. oxidative phosphorylation
- B. photophosphorylation
- C. glycolysis
- D. substrate-level phosphorylation Discuss
More questions
Correct Answer: adenine
Correct Answer: increase the surface area where key chemical processes can occur
Correct Answer: DNA
Correct Answer: Georges Kohler and Cesar Milstein
Correct Answer: binds to another antibody
Correct Answer: Blue
Correct Answer: 11 ATPs
Correct Answer: positive pole
Correct Answer: Zinc
Correct Answer: oxidative phosphorylation
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