Explore topic-wise MCQs in Bioinformatics.

This section includes 9 Mcqs, each offering curated multiple-choice questions to sharpen your Bioinformatics knowledge and support exam preparation. Choose a topic below to get started.

1.

The higher the E value, the more significant the alignment between a pair of matching sequences.

A. True
B. False
Answer» C.
Discussion
2.

The ________ are _______ by genetic structure to retroviruses.

A. STR retrotransposons, related
B. LTR retrotransposons, related
C. STR transposons, related
D. LTR retrotransposons, not related
Answer» C. STR transposons, related
Discussion
3.

Yeast is about ______ compact than E. coli.

A. fivefold, less
B. threefold, more
C. twofold, less
D. twofold, more
Answer» D. twofold, more
Discussion
4.

_______ of the Drosophila sequence is composed of TEs and _____ is heterochromatic regions that do not include genes.

A. one-fourth, one-third
B. one-fifth, one-fourth
C. one-sixth, one-eighth
D. one-sixth, one-third
Answer» E.
Discussion
5.

In Metabolic pathways and regulation, as genes are identified in a new genome sequence, some will be found that are known to act sequentially in a metabolic pathway or to have a known role in gene regulation in other organisms.

A. True
B. False
Answer» B. False
Discussion
6.

In Protein 2D gel Electrophoresis, Individual proteins produced by the genome can be separated to _____ by this method and specific ones identified by various _______

A. smaller extent, biochemical and immunological tests
B. a large extent, biochemical and immunological tests
C. a large extent, biochemical tests only
D. smaller extent, purely mechanical tests
Answer» C. a large extent, biochemical tests only
Discussion
7.

In Proteolysis and fragment sequencing, Protein spots may be excised from a two-dimensional protein gel and subjected to a combination of amino acid sequencing and cleavage analyses using the techniques of mass spectrometry and high-pressure liquid chromatography.

A. True
B. False
Answer» B. False
Discussion
8.

WU-BLAST produces P scores and BLAST (NCBI) produces E scores where _________

A. E = ln (1 + P<sup>2</sup>)
B. E = ln (1 P<sup>2</sup>)
C. E = ln (1 + P)
D. E = ln (1 P)
Answer» E.
Discussion
9.

In the program COGNITOR each protein in the proteome is used as a query of a database of protein clusters.

A. True
B. False
Answer» B. False
Discussion