Explore topic-wise MCQs in Protein Engineering.

This section includes 15 Mcqs, each offering curated multiple-choice questions to sharpen your Protein Engineering knowledge and support exam preparation. Choose a topic below to get started.

1.

In the case of a polyvalent display, the proteins can be cloned directly into a viral vector as a fusion to a capsid protein.

A. False
B. True
Answer» C.
2.

In the case of polyvalent-display, all gp III are conjugated with peptide and this results in occasional loss of infectivity.

A. False
B. True
Answer» C.
3.

Which of the following is used to create a large library of mutants for a given protein gene?

A. Protein assay
B. Phage display
C. X-ray crystallography
D. Error-prone PCR
Answer» E.
4.

In the case of a monovalent display, the protein fusion can be constructed in a phagemid vector that carries a copy of the viral capsid gene.

A. False
B. True
Answer» C.
5.

Which of the following proteins are involved in initiating phage assembly and maintaining the stability of the viral particle?

A. gp III and gp VIII
B. gp VIII and gp II
C. gp VI and gp IV
D. gp VII and gp IX
Answer» E.
6.

Which of the following is not true for error-prone PCR?

A. It uses Taq polymerase which lacks proofreading ability
B. Occurs under imperfect PCR conditions
C. Involves annealing incompatible base-pairs to each other
D. It is not a mutagenesis method
Answer» E.
7.

Which of the following is the major coat protein of M13?

A. gp VI
B. gp V
C. gp IV
D. gp VIII
Answer» E.
8.

M13 is a filamentous phage and it contains a circular single-stranded DNA genome.

A. False
B. True
Answer» C.
9.

Which of the following bacteriophage is used in phage-display technology?

A. T4
B.
C. T2
D. M13
Answer» E.
10.

In the case of monovalent display, the valency of display depends on the ratio of phage containing phagemid vector and helper phage at the time of infection.

A. False
B. True
Answer» C.
11.

Who pioneered phage-display technology?

A. Kary Mullis
B. Charles Chamberland
C. Robert brown
D. George Smith
Answer» E.
12.

Which of the following is not a method of directed evolution?

A. Phage display
B. DNA shuffling
C. Error-prone PCR
D. Natural selection
Answer» E.
13.

Which step is performed after the mutation of genes in directed evolution?

A. X-ray crystallography
B. Protein assay
C. Protein screening
D. Expression of mutant genes
Answer» E.
14.

The starting point of both rational and irrational protein design is a wild-type protein.

A. False
B. True
Answer» C.
15.

Only one cycle of directed evolution cycle is sufficient to obtain the desired protein molecule.

A. True
B. False
Answer» C.