Sequence Alignment MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Sequence Alignment, 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 Sequence Alignment 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 Sequence Alignment mcq questions that explore various aspects of Sequence Alignment problems. Each MCQ is crafted to challenge your understanding of Sequence Alignment 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 Sequence Alignment 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 Sequence Alignment. 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 Sequence Alignment knowledge to the test? Let's get started with our carefully curated MCQs!

Sequence Alignment MCQs | Page 13 of 15

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Q121.
Which of the following is incorrect regarding pair wise sequence alignment?

a.

The most fundamental process in this type of comparison is sequence alignment

b.

It is an important first step toward structural and functional analysis of newly determined sequences

c.

This is the process by which sequences are compared by searching for common character patterns and establishing residue-residue correspondence among related sequences

d.

It is the process of aligning multiple sequences

Discuss
Answer: (d).It is the process of aligning multiple sequences
Q122.
Which of the following is incorrect about evolution?

a.

The macromolecules can be considered molecular fossils that encode the history of millions of years of evolution

b.

The building blocks of these biological macromolecules, nucleotide bases, and amino acids form linear sequences that determine the primary structure of the molecules

c.

DNA and proteins are products of evolution

d.

The molecular sequences barely undergo changes

Discuss
Answer: (d).The molecular sequences barely undergo changes
Q123.
The presence of evolutionary traces is because some of the residues that perform key functional and structural roles tend to be preserved by natural selection; other residues that may be less crucial for structure and function tend to mutate more frequently.

a.

True

b.

False

c.

May be True or False

d.

Can't say

Discuss
Answer: (a).True
Q124.
The degree of sequence variation in the alignment reveals evolutionary relatedness of different sequences, whereas the conservation between sequences reflects the changes that have occurred during evolution in the form of substitutions, insertions, and deletions.

a.

True

b.

False

c.

May be True or False

d.

Can't say

Discuss
Answer: (b).False
Q125.
If the two sequences share significant similarity, it is extremely ______ that the extensive similarity between the two sequences has been acquired randomly, meaning that the two sequences must have derived from a common evolutionary origin.

a.

unlikely

b.

possible

c.

likely

d.

relevant

Discuss
Answer: (a).unlikely
Q126.
Sometimes, it is also possible that two sequences have derived from a common ancestor, but may have diverged to such an extent that the common ancestral relationships are not recognizable at the sequence level.

a.

True

b.

False

c.

May be True or False

d.

Can't say

Discuss
Answer: (a).True
Q127.
Which of the following is incorrect regarding sequence homology?

a.

Two sequences can homologous relationship even if have do not have common origin

b.

It is an important concept in sequence analysis

c.

When two sequences are descended from a common evolutionary origin, they are said to have a homologous relationship

d.

When two sequences are descended from a common evolutionary origin, they are said to share homology

Discuss
Answer: (a).Two sequences can homologous relationship even if have do not have common origin
Q128.
Sequence similarity can be quantified using ________ homology is a ______ statement.

a.

percentages, quantitative

b.

percentages, qualitative

c.

ratios, qualitative

d.

ratios, quantitative

Discuss
Answer: (b).percentages, qualitative
Q129.
Shorter sequences require higher cutoffs for inferring homologous relationships than longer sequences.

a.

True

b.

False

c.

May be True or False

d.

Can't say

Discuss
Answer: (a).True
Q130.
Sequence similarity and sequence identity are synonymous for nucleotide sequences and protein sequences as well.

a.

True

b.

False

c.

May be True or False

d.

Can't say

Discuss
Answer: (b).False
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