Bioinformatics Mcqs

Page No. 27

Par Align is a web-based server that uses parallel processors to perform exhaustive sequence comparisons using either a parallelized version of the Smith–Waterman algorithm or a heuristic program for further speed gains.


aTrue

✓


bFalse

✖


ceither true and false

✖


dnone of the mentioned

✖


View Answer True

Scan PS is a web-based program that implements a modified version of the Needleman-Wunsch algorithm.


aTrue

✖


bFalse

✓


ceither true and false

✖


dnone of the mentioned

✖


View Answer False

FASTA and BLAST are __________ but __________ for larger datasets.


afaster, more sensitive

✖


bfaster, less sensitive

✓


cslower, less sensitive

✖


dslower, more sensitive

✖



The rigorous dynamic programming method is normally not used for database searching because it is slow and computationally expensive.


aTrue

✓


bFalse

✖


ceither true and false

✖


dnone of the mentioned

✖


View Answer True

Which of the following is not correct about the NMR?


aIt stands for Nuclear Magnetic Resonance

✖


bNMR spectroscopy detects spinning patterns of atomic nuclei in a electric field

✓


cNMR spectroscopy detects spinning patterns of atomic nuclei in a magnetic field

✖


dProtein samples are labeled with radioisotopes such as 13C and 15N

✖



Which of the following is not correct about the X-ray Crystallography?


a In x-ray protein crystallography, proteins need to be grown into large crystals in which their positions are fixed in a repeated, ordered fashion

✖


bThe protein crystals are illuminated with an intense x-ray beam

✖


cThe x-rays are deflected by the electron clouds surrounding the atoms in the crystal producing a regular pattern of diffraction

✖


dThe protein crystals are illuminated with an intense infrared beam

✓



Which of the following is not correct about the Integral Membrane Proteins?


aMembrane proteins exist in lipid bilayers of cell membranes

✖


bThe exterior of the proteins spanning the membrane must be very hydrophobic to be stable

✖


cThe exterior of the proteins spanning the membrane must be very hydrophilic to be stable

✓


dMost typical transmembrane segments are α-helices

✖



Which of the following is not correct about the Coils and Loops?


aThey are regular structures

✓


bThey are irregular structures

✖


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

✖


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

✖



Which of the following is not correct about the β-sheet?


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

✖


bEach region involved in forming the β-sheet is a β-strand

✖


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

✓


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

✖



Which of the following is not correct about the α-Helices?


aAn α-helix has a main chain backbone conformation that resembles a corkscrew

✖


bNearly all known α-helices are right handed, exhibiting a leftward spiral form

✓


cNearly all known α-helices are right handed, exhibiting a rightward spiral form

✖


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

✖



Goto Page No.

Page 27 of 92

Alphabetical MCQs Categories
—

Here below You find all kind of categories of MCQs in alphabetical order.


"Comprehensive Collection of MCQs: Alphabetically Organized by Subject"
—

"Discover an extensive collection of multiple-choice questions (MCQs) neatly categorized by subject from A to Z. This resource is designed for anyone eager to explore various topics in a straightforward and organized manner. Whether you're a student preparing for exams, an educator seeking supplementary materials, or simply curious about different subjects, this compilation offers a convenient way to learn and assess your knowledge. With questions arranged alphabetically, navigation is effortless, allowing you to delve into subjects of interest at your own pace. Engage, learn, and expand your understanding with this accessible and comprehensive repository of MCQs!"


BolPakistan

bolpakistan.com.pk includes Job Mcqs and Pak Mcqs is the Top Largest Mcqs Forum in World, in which you can read Mcqs of All Subjects, PPSC test preparation, FPSC, NTS and PPSC PAST PAPERS, PPSC PAST MCQS. A Collection of Repeated MCQs for JOBs seekers.

Copyright © 2024, Designed & Developed by BolPakistan