MCQ Bank
cDNA library is representative of the ___ population of the derived host
- A) Proteins
- B) DNA & RNA
- C) DNA
- D) RNA
For _____ libraries, the correct orientation can be achieved by self-priming method by adding linker molecule to double stranded cDNA
- A) genome expression
- B) cDNA expression
- C) protein expression
- D) mRNA expression
Researchers prefer to use cDNA rather than mRNA because__________
- A) All of the above
- B) RNAs are inherently less stable
- C) routine amplification is not present
- D) purifying RNA is difficult
It is much more convenient to use ________________, because these have a higher capacity and the efficiency of in vitro packaging.
- A) Bacteriophage-ECol I insertion vectors
- B) Bacteriophage-ʎ deletion vectors
- C) Bacteriophage-ʎ insertion vectors
- D) bacteriophage simple insertion vectors
If DNA library is established using expression vectors, each individual clone can be expressed to yield a _____________
- A) Dipeptide
- B) Nucleotide
- C) Polypeptide
- D) Monopeptide
A great advantage of hybridization for library screening is that it is ______________
- A) Good
- B) Unique
- C) Versatile
- D) Difficult
Functional complementation is also possible in __________________
- A) Transgenic animals and plants
- B) Artificial animals and plants
- C) Transgenic mitochondria
- D) Non-Transgenic animals and plants
Immunochemical screening involves the use of ________________
- A) Antibodies
- B) DNA
- C) PCR
- D) Antigens
To isolate specific clone, PCR is carried out with _____________
- A) universal primers
- B) simple primers
- C) gene-specific primers
- D) special primers
In chromosome jumping, the DNA of interest is identified, cut into fragments with restriction enzymes and ________________
- A) Circularized
- B) Straighten
- C) Breaks down
- D) Elongates
In South-western and north-western blotting screening is carried out without using an antibody, by incubating the membranes with ____________
- A) Radiolabelled single stranded DNA probe
- B) Radiolabelled double stranded RNA probe
- C) Radiolabelled double stranded DNA probe
- D) Unlabelled double stranded DNA probe
The _________________ is the process by which a particular DNA sequence compensates for a missing function in a mutant cell and thus restores the wild type phenotype.
- A) Functional complementation
- B) Non-Functional complementation
- C) Functional analysis
- D) Functional genomics
M13 is a filamentous _________ with single stranded DNA that replicates without killing its host.
- A) bacteriophage
- B) chloroplast
- C) mitochondrial
- D) plasmid
Which statement is correct for bacterial artificial chromosomes ?
- A) They are simply plasmids designed for the cloning of very long segments of DNA
- B) They are simply DNA molecules designed for the cloning of proteins
- C) They are simply plasmids designed for the cloning of very short segments of DNA
- D) They are protein molecules designed for the recombination of RNA
The ________ are simply plasmids designed for the cloning of very long segments
- A) Bacterial artificial chromosomes
- B) Viral artificial chromosomes
- C) Yeast artificial chromosomes
- D) Human artificial chromosomes
Bacterial artificial chromosomes are used as_________ .
- A) cloning vectors
- B) restriction enzymes
- C) protein docking molecules
- D) plasmid recombinant vectors
Vectors that can replicate and are stably maintained in two or more unrelated host organisms are called ________ .
- A) target vectors
- B) shuttle vectors
- C) host specific vectors
- D) internal vectors
The _______ are the plasmids containing a fragment of ʎ DNA including ‘cos’ site.
- A) M13
- B) cosmid
- C) phasmid
- D) none of these
YACs are the ______ used for large DNA fragments insertion.
- A) Y-cloned artificial chromosomes
- B) Yeast artificial chromosomes
- C) Y-linked autosomal clones
- D) Yok artificial chromosomes
The ________ vectors are combination of plasmid and ʎ phage sequences
- A) Phasmid
- B) Chloroplast
- C) Cosmid
- D) M13