Structural Bioinformatics MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Structural Bioinformatics, a fundamental topic in the field of Bioinformatics. Whether you're preparing for competitive exams, honing your problem-solving skills, or simply looking to enhance your abilities in this field, our Structural Bioinformatics 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 Structural Bioinformatics mcq questions that explore various aspects of Structural Bioinformatics problems. Each MCQ is crafted to challenge your understanding of Structural Bioinformatics principles, enabling you to refine your problem-solving techniques. Whether you're a student aiming to ace Bioinformatics tests, a job seeker preparing for interviews, or someone simply interested in sharpening their skills, our Structural Bioinformatics MCQs are your pathway to success in mastering this essential Bioinformatics topic.

Note: Each of the following question comes with multiple answer choices. Select the most appropriate option and test your understanding of Structural Bioinformatics. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

So, are you ready to put your Structural Bioinformatics knowledge to the test? Let's get started with our carefully curated MCQs!

Structural Bioinformatics MCQs | Page 1 of 10

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Q1.
The building blocks of proteins are ______ naturally occurring amino acids, small molecules that contain a free amino group (NHโ‚‚) and a free carboxyl group (COOH).

a.

ten

b.

twenty

c.

nine

d.

nineteen

Discuss
Answer: (b).twenty
Q2.
Within the hydrophobic set of amino acids, they can be further divided into aliphatic and aromatic.

a.

True

b.

False

c.

May be True or False

d.

Can't say

Discuss
Answer: (a).True
Q3.
______ the smallest amino acid, has a hydrogen atom as the R group.

a.

valine

b.

proline

c.

Glycine

d.

threonine

Discuss
Answer: (c).Glycine
Q4.
The peptide formation involves two amino acids covalently joined together between the carboxyl group of one amino acid and the amino group of another.

a.

True

b.

False

c.

May be True or False

d.

Can't say

Discuss
Answer: (a).True
Q5.
A linear polymer of more than fifty amino acid residues is referred to as a ________

a.

dipeptide

b.

oligopeptide

c.

peptide

d.

polypeptide

Discuss
Answer: (d).polypeptide
Q6.
Which of the following is not correct?

a.

The rigid double bond structure forces atoms associated with the peptide bond to lie in the same plane, called the dipeptide plane

b.

A peptide bond is actually a partial double bond owing to shared electrons between O=Cโ€“N atoms

c.

Because of the planar nature of the peptide bond and the size of the R groups, there are considerable restrictions on the rotational freedom by the two bonded pairs of atoms around the peptide bond

d.

The angle of rotation about the bond is referred to as the dihedral angle (also called the torsional angle)

Discuss
Answer: (a).The rigid double bond structure forces atoms associated with the peptide bond to lie in the same plane, called the dipeptide plane
Q7.
Which of the following is not correct about the stabilizing Forces?

a.

Protein structures from secondary to quaternary are maintained by noncovalent forces

b.

They include electrostatic interactions but not van der Waals forces, and hydrogen bonding

c.

Electrostatic interactions are a significant stabilizing force in a protein structure

d.

Electrostatic interactions occur when excess negative charges in one region are neutralized by positive charges in another region

Discuss
Answer: (b).They include electrostatic interactions but not van der Waals forces, and hydrogen bonding
Q8.
Which of the following is not correct about the ฮฑ-Helices?

a.

An ฮฑ-helix has a main chain backbone conformation that resembles a corkscrew

b.

Nearly all known ฮฑ-helices are right handed, exhibiting a leftward spiral form

c.

Nearly all known ฮฑ-helices are right handed, exhibiting a rightward spiral form

d.

In right handed helix, there are 3.6 amino acids per helical turn

Discuss
Answer: (b).Nearly all known ฮฑ-helices are right handed, exhibiting a leftward spiral form
Q9.
Which of the following is not correct about the ฮฒ-sheet?

a.

A ฮฒ-sheet is a fully extended configuration built up from several spatially adjacent regions of a polypeptide chain

b.

Each region involved in forming the ฮฒ-sheet is a ฮฒ-strand

c.

The ฮฒ-strand conformation is pleated with main chain backbone zigzagging and side chains positioned on same sides of the sheet

d.

ฮฒ-Strands are stabilized by hydrogen bonds between residues of adjacent strands

Discuss
Answer: (c).The ฮฒ-strand conformation is pleated with main chain backbone zigzagging and side chains positioned on same sides of the sheet
Q10.
Which of the following is not correct about the Coils and Loops?

a.

They are regular structures

b.

They are irregular structures

c.

The loops are often characterized by sharp turns or hairpin-like structures

d.

If the connecting regions are completely irregular, they belong to random coils

Discuss
Answer: (a).They are regular structures
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