Discussion
Home ‣ Biotechnology ‣ Cloning Vectors See What Others Are Saying!
- Question
Cos site of the cosmids
Options- A. consists of 12 bases
- B. helps whole genome in circularization and ligation
- C. both (a) and (b)
- D. contains cleavage site
- Correct Answer
- both (a) and (b)
- 1. In which phase, each chromosome replicates to produce two sister chromatids?
Options- A. Anaphase
- B. Interphase
- C. Metaphase
- D. Prophase Discuss
- 2. Which of the following is/are the method of transfection for making transgenic animals?
Options- A. Transfer of whole nuclei
- B. Transfer of whole individual chromosomes or fragment
- C. Transfer of DNA
- D. All of the above Discuss
- 3. To qualify as a micro array the analytical device must be
Options- A. ordered
- B. microscopic
- C. planer and specific
- D. all of these Discuss
- 4. Fusion of karyoplast with the enucleated cell is achieved in presence of
Options- A. cytochalasin B
- B. polyethylene glycol
- C. both (a) and (b)
- D. alcohol Discuss
- 5. Which of the following is not commonly used as vector?
Options- A. Artificial chromosome
- B. Cosmid
- C. Fungi
- D. Plasmid Discuss
- 6. The cell theory states:
Options- A. Cells form as organelles and molecules become grouped together in an organized manner.
- B. The normal functioning of an organism does not depend on its individual cells.
- C. The cell is the basic unit of life.
- D. Only eukaryotic organisms are made of cells. Discuss
- 7. ? gt 10 and ? gt 11 vectors can propagate cloned fragments up to
Options- A. 6-7 kb
- B. 1-2 kb
- C. 40-44 kb
- D. 20-23 kb Discuss
- 8. Triticale is derived by crossing
Options- A. wheat and rice
- B. wheat and tapioca
- C. rye (secale) and wheat
- D. rye and rice Discuss
- 9. Toxicity due to accumulation of ammonia can be overcome
Options- A. by substituting glutamine by glutamate
- B. by controlled addition of glutamine at low level
- C. by removal of ammonia or ammonium from culture medium
- D. all of the above Discuss
- 10. Which of the following is incorrect?
Options- A. Established cell lines (ECL) have short doubling time
- B. ECL are invariably aneuploid
- C. ECL grow in higher density
- D. ECL do not show much evidence of spatial orientation Discuss
More questions
Correct Answer: Interphase
Correct Answer: All of the above
Correct Answer: all of these
Correct Answer: polyethylene glycol
Correct Answer: Fungi
Correct Answer: The cell is the basic unit of life.
Correct Answer: 6-7 kb
Correct Answer: rye (secale) and wheat
Correct Answer: all of the above
Correct Answer: ECL grow in higher density
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