Use Of Cloned Dna(Engineering > Genetic Engineering ) Questions and Answers
Question 1. If it is desirable to express two or more proteins simultaneously, then it is known as ___________
hybrid of proteins
fusion of proteins
co-expression of proteins
combination of proteins
Explanation:-
Answer: Option C. -> co-expression of proteins Answer: (c).co-expression of proteins
Question 2. What is the function of T7 lysozyme?
Attacking the peptidoglycan in bacterial cell walls
Inhibitor of T7 polymerase
Activator of T7 polymerase
Both attacking the peptidogylcan in bacterial cell walls and inhibitor of T7 polymerase
Explanation:-
Answer: Option D. -> Both attacking the peptidogylcan in bacterial cell walls and inhibitor of T7 polymerase Answer: (d).Both attacking the peptidogylcan in bacterial cell walls and inhibitor of T7 polymerase
Question 3. For co-expression of proteins, it is possible to have several independent sets of promoters and other signals in a single vector.
True
False
May be True or False
Can't say
Explanation:-
Answer: Option A. -> True Answer: (a).True
Question 4. A considerable amount of modification can take place in the ______ region of RNA in _______ before translation. It affects the yield of proteins.
coding, prokaryotes
coding, eukaryotes
non-coding, prokaryotes
non-coding, eukaryotes
Explanation:-
Answer: Option B. -> coding, eukaryotes Answer: (b).coding, eukaryotes
Question 5. Strong secondary structure in a message may affect ________
translation
transcription
both translation and transcription
none of translation and transcription
Explanation:-
Answer: Option A. -> translation Answer: (a).translation
Question 6. As the activity of T7 polymerase is reduced by lysosome, what is an effect on the rate of synthesis after induction?
Increase
Decrease
May increase or decrease
No effect
Explanation:-
Answer: Option B. -> Decrease Answer: (b).Decrease
Question 7. Proteins at times are not soluble in the cell and form aggregates known as ___________
coagulation
aggregated mass
inclusion bodies
insoluble mass
Explanation:-
Answer: Option C. -> inclusion bodies Answer: (c).inclusion bodies
Question 8. Lon mutation can lead to ______ and _______