Questions and answers for exam Preparation

MCQs

Total Questions : 120 | Page 5 of 12 pages

Question 41. Genetic markers are ______ portions of a _______ whose inheritance patterns can be followed.

unidentifiable, genes
unidentifiable, chromosome
identifiable, chromosome
identifiable, genes

Discuss Question

Answer: Option C. -> identifiable, chromosome
Answer: (c).identifiable, chromosome

Question 42. Which of the following is untrue about the genome mapping?

It doesn’t lead to the understanding of a genome structure
It involves identifying relative locations of genes
It involves identifying traits
It involves identifying mutations

Discuss Question

Answer: Option A. -> It doesn’t lead to the understanding of a genome structure
Answer: (a).It doesn’t lead to the understanding of a genome structure

Question 43. Genetic linkage maps, also called genetic maps, identify the relative positions of genetic markers on a chromosome and are based on how frequent the markers are inherited together.

True
False
May be True or False
Can't say

Discuss Question

Answer: Option A. -> True
Answer: (a).True

Question 44. Physical maps are maps of locations of identifiable landmarks on a genomic DNA _______ inheritance patterns.

remotely related to
related to
regardless of
associated with

Discuss Question

Answer: Option C. -> regardless of
Answer: (c).regardless of

Question 45. One centiMorgan is defined as _________ percentage of the total recombination events.

one
ten
0.1
0.01

Discuss Question

Answer: Option A. -> one
Answer: (a).one

Question 46. Which of the following is incorrect regarding the Protein Identification through Database Searching?

MS characterization of proteins is highly dependent on bioinformatic analysis
Bioinformatics programs can be used to search for the identity of a protein in a database of theoretically digested proteins
Even in reality, the protease digestion is always perfect in MS
The purpose of the database search is to find exact or nearly exact matches

Discuss Question

Answer: Option C. -> Even in reality, the protease digestion is always perfect in MS
Answer: (c).Even in reality, the protease digestion is always perfect in MS

Question 47. Electrospray ionization MS and matrix-assisted laser desorption ionization (MALDI) MS only differ in the ionization procedure used.

True
False
May be True or False
Can't say

Discuss Question

Answer: Option A. -> True
Answer: (a).True

Question 48. Which of the following is incorrect regarding Mascot and ProFound?

ProFound is a web server with a set of interconnected programs
ProFound searches a protein sequence database using MS fingerprinting information
Bayesian algorithm is not involved in ProFound
Mascot is a web server that identifies proteins based on peptide mass fingerprints, sequence entries, or raw MS/MS data from one or more peptides

Discuss Question

Answer: Option C. -> Bayesian algorithm is not involved in ProFound
Answer: (c).Bayesian algorithm is not involved in ProFound

Question 49. Which of the following is incorrect regarding Differential In-Gel Electrophoresis?

Proteins are mixed together before electrophoresis on a two-dimensional gel
Differentially expressed proteins in both conditions can’t be visualized in the same gel
In this, Differences in protein expression patterns can be detected in a similar way as in fluorescent-labeled DNA microarrays
Proteins from experimental and control samples are labeled with differently colored fluorescent dyes

Discuss Question

Answer: Option B. -> Differentially expressed proteins in both conditions can’t be visualized in the same gel
Answer: (b).Differentially expressed proteins in both conditions can’t be visualized in the same gel

Question 50. ExPASY is a comprehensive proteomics web server with a suite of programs for searching peptide information from the SWISS-PROT and TrEMBL databases.