Discussion
Home ‣ Biotechnology ‣ Vinegar and Citric Acid See What Others Are Saying!
- Question
During recovery step of citric acid, calcium citrate formed is treated with which of the following acid to precipitate calcium?
Options- A. HCl
- B. HNO3
- C. H2SO4
- D. None of these
- Correct Answer
- H2SO4
- 1. Maximum size of foreign DNA that can be inserted into an insertion vector is
Options- A. 35 kb
- B. 18 kb
- C. 50 kb
- D. 27 kb Discuss
- 2. In the bundle sheath of C4 plant __________ is/ are less than mesophyll.
Options- A. PSI
- B. PSII
- C. PSI or PSII
- D. PSI and PSII Discuss
- 3. What is the size (in kb) of the tobacco chloroplast genome?
Options- A. 55 kilobase
- B. 155 kilobase
- C. 325 kilobase
- D. 375 kilobase Discuss
- 4. Malting process allows malt amylase and proteinases to degrade starch and protein to
Options- A. glucose and peptone as well as peptides
- B. glucose and amino acids
- C. maltose and peptone as well as peptides
- D. maltose and amino acids Discuss
- 5. Which one of the following is the most stable vector?
Options- A. YEp
- B. YRp
- C. YAC
- D. YIp Discuss
- 6. Inoculum preparation for the fermentation medium for penicillin takes place on
Options- A. wheat seeds
- B. barley seeds
- C. rice seeds
- D. all of these Discuss
- 7. Transfection refers to which of the following?
Options- A. Synthesis of mRNA from DNA template
- B. Synthesis of protein based on mRNA sequence
- C. Introduction of foreign gene in to a cell
- D. The process by which a cell become malignant Discuss
- 8. Antisense transgenic plants produced fruit that softened
Options- A. more slowly than the normal fruit
- B. more rapidly than the normal fruit
- C. as the normal fruits
- D. none of these Discuss
- 9. Transgenic goats produce a variant of human tissue type plasminogen activator protein in
Options- A. blood
- B. urine
- C. milk
- D. muscles Discuss
- 10. Range of osmolarity tolerated/accepted in mOsm/Kg of H2O by mammalian cells is
Options- A. 150-300
- B. 280-360
- C. 300-325
- D. 360-400 Discuss
More questions
Correct Answer: 18 kb
Correct Answer: PSII
Correct Answer: 155 kilobase
Correct Answer: maltose and peptone as well as peptides
Correct Answer: YAC
Correct Answer: barley seeds
Correct Answer: Introduction of foreign gene in to a cell
Correct Answer: more slowly than the normal fruit
Correct Answer: milk
Correct Answer: 280-360
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