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- Question
A genomic library is
Options- A. a database where the sequence of an organism's genome is stored
- B. a collection of many clones possessing different DNA fragments from the same organisms bound to vectors
- C. a book that describes how to isolate DNA from a particular organism
- D. a place where the information of the genetic organization of organisms are kept.
- Correct Answer
- a collection of many clones possessing different DNA fragments from the same organisms bound to vectors
- 1. Klinefelter syndrome is a manifestation of which chromosome aneuploidy?
Options- A. XXX
- B. XYY
- C. XXY
- D. None of these Discuss
- 2. The term homologous chromosomes
Options- A. refers to replications of the same chromosome
- B. is another name for sister chromatids
- C. must be haploid
- D. means a pair of chromosomes of the same kind, such as sex chromosomes Discuss
- 3. A cell without cell wall is called
Options- A. apoplast
- B. protoplast
- C. symplast
- D. none of these Discuss
- 4. A map of chromosomes that utilizes cloned and sequenced DNA fragments rather than genetic markers is known as
Options- A. a physical map
- B. a genetic map
- C. a cloning map
- D. none of these Discuss
- 5. Which of the following is used in the culture of regenerating protoplasts, single cells or very dilute cell suspensions?
Options- A. Nurse medium
- B. Nurse or feeder culture
- C. Both (a) and (b)
- D. None of these Discuss
- 6. In plant cells, which of the following is not a function of the large central vacuoles of plant cells?
Options- A. Storage of food
- B. Support
- C. Contractile regulation of
- D. Waste storage water content Discuss
- 7. Each chromosome contains two chromatids by the end of the __________ phase in the life cycle of a human cell.
Options- A. C
- B. G2
- C. M
- D. S Discuss
- 8. In which year, Dolly the first mammalian clone was born?
Options- A. 1995
- B. 1997
- C. 1996
- D. 1998 Discuss
- 9. Direct DNA uptake by protoplasts can be stimulated by
Options- A. polyethylene glycol (PEG)
- B. decanal
- C. luciferin
- D. all of these Discuss
- 10. Size of the DNA that can be packaged into a ? phage is
Options- A. 50 kb
- B. 35-53 kb
- C. 40-50 kb
- D. any size Discuss
More questions
Correct Answer: XXY
Correct Answer: means a pair of chromosomes of the same kind, such as sex chromosomes
Correct Answer: protoplast
Correct Answer: a physical map
Correct Answer: Both (a) and (b)
Correct Answer: Contractile regulation of
Correct Answer: S
Correct Answer: 1996
Correct Answer: polyethylene glycol (PEG)
Correct Answer: 35-53 kb
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