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- Question
Genomic libraries are made from
Options- A. genomic DNA of an organism
- B. genomic RNA of an organism
- C. genomic cDNA of an organism
- D. genomic mRNA of an organism
- Correct Answer
- genomic DNA of an organism
- 1. Electrophoresis of histones and myoglobin under non-denaturing conditions (pH = 7.0) results in
Options- A. both proteins migrate to the anode
- B. histones migrate to the anode and myoglobin migrates to the cathode
- C. histones migrate to the cathode and myoglobin migrates to the anode
- D. both proteins migrate to the cathode Discuss
- 2. In isoelectric focusing, proteins are separated on the basis of their
Options- A. relative content of positively charged residue only
- B. relative content of negatively charged residue only
- C. size
- D. relative content of positively and negatively charged residue Discuss
- 3. In a gel filtration column
Options- A. smaller proteins enter the beads more readily
- B. large proteins elute first
- C. both (a) and (b)
- D. large proteins enter the beads more readily Discuss
- 4. Antibodies in the human immune system can identify approximately 108 different molecules Which one of the following is correct?
Options- A. This diversity is generated from 108 different immunoglobin genes
- B. Many of these molecules are self-antigens
- C. Most of these antibodies recognize proteins
- D. Most of these antibodies recognize small organic molecules Discuss
- 5. The mesosomes may be the sites of
Options- A. DNA replication and specialized enzymatic reactions
- B. RNA replications and specialized enzymatic reactions
- C. RNA replications and specialized cyclic reactions
- D. None of the above Discuss
- 6. Phosphorus is taken up by the cell during the process of
Options- A. carbohydrate synthesis.
- B. protein synthesis,
- C. lipid synthesis.
- D. ATP synthesis. Discuss
- 7. Which of the following mineral is involved in the enzyme -controlled energy yielding reactions of metabolism?
Options- A. Calcium
- B. Phosphorus
- C. Iron
- D. Copper Discuss
- 8. Salt dissolves well in water as water molecules
Options- A. form hydrogen bonds with the positively and negatively charged ions
- B. make nonpolar covalent bonds with the positively charged ions only
- C. surround the ions because of their charge but do not form hydrogen bonds
- D. share electrons with the ions to make polar covalent bonds Discuss
- 9. What transports copper from the intestinal cells to the liver?
Options- A. Ceruloplasmin
- B. Secretin
- C. Acrolein
- D. Albumin Discuss
- 10. The sugar which forms major component of nucleic acids is
Options- A. ribose
- B. galactose
- C. mannose
- D. maltose Discuss
More questions
Correct Answer: histones migrate to the cathode and myoglobin migrates to the anode
Correct Answer: relative content of positively and negatively charged residue
Correct Answer: both (a) and (b)
Correct Answer: Most of these antibodies recognize proteins
Correct Answer: DNA replication and specialized enzymatic reactions
Correct Answer: ATP synthesis.
Correct Answer: Phosphorus
Correct Answer: surround the ions because of their charge but do not form hydrogen bonds
Correct Answer: Ceruloplasmin
Correct Answer: ribose
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