Questions and answers for exam Preparation

MCQs

Total Questions : 77 | Page 4 of 8 pages

Question 31. If transcription should not be carried out beyond the insert in the vector, then it should be linearized.

True
False
May be True or False
Can't say

Discuss Question

Answer: Option A. -> True
Answer: (a).True

Question 32. Little quantities of radiolabelled proteins are required for which of the following?

co or post translational targeting
modification of proteins
both co or post translational targeting and modification of proteins
crystallization for structural studies

Discuss Question

Answer: Option C. -> both co or post translational targeting and modification of proteins
Answer: (c).both co or post translational targeting and modification of proteins

Question 33. __________ quantities of _______ protein are required for determination of properties in biochemical and biological assays.

Small, non-radiolabelled
Small, radiolabelled
Large, radiolablelled
Large, non-radiolabelled

Discuss Question

Answer: Option D. -> Large, non-radiolabelled
Answer: (d).Large, non-radiolabelled

Question 34. If the cells containing plasmids are infected with helper phage, which type of DNA can be produced, packaged and secreted into the medium?

Single stranded DNA
Double stranded DNA
Both single and double stranded DNA
Circular DNA

Discuss Question

Answer: Option C. -> Both single and double stranded DNA
Answer: (c).Both single and double stranded DNA

Question 35. Small quantities of radiolabelled RNA can be produced by translation in vitro which is done by transcription in vitro.

True
False
May be True or False
Can't say

Discuss Question

Answer: Option A. -> True
Answer: (a).True

Question 36. For the production of unlabelled and huge amount of proteins, which of the following is true?

Transcription is carried out in vivo and translation in vitro
Transcription and translation both are carried out in vivo
Transcription and translation both are carried out in vitro
Transcription is carried out in vitro and translation in vivo

Discuss Question

Answer: Option B. -> Transcription and translation both are carried out in vivo
Answer: (b).Transcription and translation both are carried out in vivo

Question 37. Treatment of reticulocyte cells is done with EGTA. It chelates the calcium ions which are required for functioning of micrococcal nuclease.