Bioinformatics Mcqs

Page No. 53

Which of the following is incorrect regarding Mascot and ProFound?


aProFound is a web server with a set of interconnected programs

✖


b ProFound searches a protein sequence database using MS fingerprinting information

✖


c Bayesian algorithm is not involved in ProFound

✓


dMascot is a web server that identifies proteins based on peptide mass fingerprints, sequence entries, or raw MS/MS data from one or more peptides

✖



ExPASY is a comprehensive proteomics web server with a suite of programs for searching peptide information from the SWISS-PROT and TrEMBL databases.


a True

✓


b False

✖


ceither true and false

✖


dnone of these

✖


View Answer True

Which of the following is incorrect regarding the Protein Identification through Database Searching?


aMS characterization of proteins is highly dependent on bioinformatic analysis

✖


bBioinformatics programs can be used to search for the identity of a protein in a database of theoretically digested proteins

✖


cEven in reality, the protease digestion is always perfect in MS

✓


dThe purpose of the database search is to find exact or nearly exact matches

✖



Electrospray ionization MS and matrix-assisted laser desorption ionization (MALDI) MS only differ in the ionization procedure used.


aTrue

✓


bFalse

✖


ceither true and false

✖


dnone of these

✖


View Answer True

Which of the following is incorrect regarding Mass Spectrometry Protein Identification?


aThe proteolysis doesn’t generate a pattern according to molecular weight

✓


bProteins can be identified and characterized using MS

✖


cThe proteins from a two dimensional gel system are first digested in situ with a protease

✖


dProtein spots of interest are excised from the two-dimensional gel

✖



Comparing two-dimensional gel images from various experiments can sometimes pose a challenge because the gels, unlike DNA microarrays, may shrink or warp.


aTrue

✓


bFalse

✖


ceither true and false

✖


dnone of these

✖


View Answer True

Which of the following is incorrect regarding 2D-Page?


a It stands for Two-dimensional polyacrylamide gel electrophoresis

✖


bIt separates proteins by charge only

✓


c The gel is run in one direction in a pH gradient under a non-denaturing condition

✖


d It works to separate proteins by isoelectric points (pI)

✖



The classic protein separation methods involve two-dimensional gel electrophoresis followed by gel image analysis.


aTrue

✓


bFalse

✖


ceither true and false

✖


dnone of these

✖


View Answer True

ExPASY contains a number of programs to determine posttranslational modifications based on MS molecular mass data.


a True

✓


bFalse

✖


ceither true and false

✖


dnone of these

✖


View Answer True

Cysteine doesn’t make predictions by building profiles.


aTrue

✖


b False

✓


ceither true and false

✖


dnone of these

✖


View Answer False

Goto Page No.

Page 53 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