Amino Acids,Peptides and Proteins MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Amino Acids,Peptides and Proteins, a fundamental topic in the field of Biochemistry. Whether you're preparing for competitive exams, honing your problem-solving skills, or simply looking to enhance your abilities in this field, our Amino Acids,Peptides and Proteins MCQs are designed to help you grasp the core concepts and excel in solving problems.

In this section, you'll find a wide range of Amino Acids,Peptides and Proteins mcq questions that explore various aspects of Amino Acids,Peptides and Proteins problems. Each MCQ is crafted to challenge your understanding of Amino Acids,Peptides and Proteins principles, enabling you to refine your problem-solving techniques. Whether you're a student aiming to ace Biochemistry tests, a job seeker preparing for interviews, or someone simply interested in sharpening their skills, our Amino Acids,Peptides and Proteins MCQs are your pathway to success in mastering this essential Biochemistry topic.

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Amino Acids,Peptides and Proteins MCQs | Page 8 of 31

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Q71.
Agarose gel electrophoresis and pulsed field gel electrophoresis may be used to resolve respectively

a.

2000 kb and 20kb DNA

b.

1000 kb and l0kb DNA

c.

20 kb and 2000 kb DNA

d.

10 kb and 1000 kb DNA

Discuss
Answer: (c).20 kb and 2000 kb DNA
Q72.
The IPTG is a gratuitous inducers of (β-galactosidase, and x-gal is a chromogenic substrate. When α-complementation occurs which colour is produced?

a.

Blue

b.

White

c.

Brown

d.

No colour is produced

Discuss
Answer: (a).Blue
Q73.
The competitive immunoassay can be used

a.

to detect very small amounts of antigen

b.

to detect antibody associated with allergies (IgE)

c.

both (a) and (b)

d.

commonly to detect trace amounts of drugs.

Discuss
Answer: (c).both (a) and (b)
Q74.
Which of the following is an immunodiffusion test?

a.

Double-diffusion

b.

Gel diffusion

c.

Ouchterloney technique

d.

All of these

Discuss
Answer: (d).All of these
Q75.
In Counter immunoelectrophoresis

a.

electrophoresis will drive the antibody and antigen parallel to each other

b.

electrophoresis will drive the antibody and antigen toward each other

c.

the antibody will migrate towards anode

d.

the antibody will migrate towards cathode

Discuss
Answer: (b).electrophoresis will drive the antibody and antigen toward each other
Q76.
The four subunits of the hemoglobin (Hb) gene represent protein's

a.

primary structure

b.

secondary structure

c.

tertiary structure

d.

quaternary structure

Discuss
Answer: (d).quaternary structure
Q77.
Beta pleated sheets are examples of protein's

a.

primary structure

b.

secondary structure

c.

tertiary structure

d.

quaternary structure

Discuss
Answer: (b).secondary structure
Q78.
BRACl, an inherited form of breast cancer, regulates cell division by

a.

binding to a DNA sequence

b.

complexing with cyclins

c.

binding to the cell outer membrane

d.

binding to the protein RAD 51 which repairs DNA damage

Discuss
Answer: (d).binding to the protein RAD 51 which repairs DNA damage
Q79.
Metastasis involves

a.

ability of cells to dissolve cellular matrix

b.

metalloprotein levels

c.

decreased levels of proteins that regulate metalloproteins

d.

all of the above

Discuss
Answer: (d).all of the above
Q80.
Signal sequences are part of a protein that

a.

signal folding of the protein

b.

signal the protein synthesis on the ribosomes is ended

c.

transport proteins to other sites within the cell

d.

refold proteins in prion-associated diseases

Discuss
Answer: (c).transport proteins to other sites within the cell
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