Explore topic-wise MCQs in Bioinformatics.

This section includes 4 Mcqs, each offering curated multiple-choice questions to sharpen your Bioinformatics knowledge and support exam preparation. Choose a topic below to get started.

1.

Scanning a sequence by hydrophobicity does not reveal transmembrane -strands.

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

Which of the following is true regarding Prediction of -Barrel Membrane Proteins?

A. For membrane proteins with -strands only, the -strands forming the transmembrane segment are amphipathic in nature
B. For membrane proteins with -strands only, the -strands forming the transmembrane segment are only hydrophilic in nature
C. For membrane proteins with -strands only, the -strands forming the transmembrane segment are only hydrophobic in nature
D. They contain six to nine residues
Answer» B. For membrane proteins with -strands only, the -strands forming the transmembrane segment are only hydrophilic in nature
Discussion
3.

Which of the following is untrue regarding Phobius?

A. It is a web-based program designed to overcome false positives caused by the presence of signal peptides
B. The program incorporates distinct HMM models for signal peptides only
C. The program incorporates distinct HMM models for signal peptides as well as transmembrane helices
D. After distinguishing the putative signal peptides from the rest of the query sequence, prediction is made on the remainder of the sequence
Answer» C. The program incorporates distinct HMM models for signal peptides as well as transmembrane helices
Discussion
4.

Which of the following is untrue regarding the transmembrane proteins?

A. Constitute up to 30% of all cellular proteins
B. They are responsible for performing a wide variety of important functions in a cell, such as signal transduction, cross-membrane transport, and energy conversion
C. The membrane proteins are also of tremendous biomedical importance
D. They are not drug targets or receptors
Answer» E.
Discussion