The enzyme reverse transcriptase is isolated from?
A) Mycoplasma
B) Bacteria
C) Retroviruses
D) All of these
1 to 15 Kb size of DNA fragment can be accommodated in…..
A) Phagemids
B) Plasmid
C) BAC
D) YAC
The organism which is used for cloning foreign DNA in bacteria is called?
A) Vector
B) Small genome
C) Chromosome
D) Viruses
The vector used for production of the protein specified by the DNA insert is?
A) Shuttle vectors
B) Cloning vectors
C) Expressing vectors
D) None of these
The number of plasmids present per bacterial cells is called?
A) Complementary number
B) Code number
C) Copy number
D) Cose site number
Vector having common characteristics of both Phage and plasmid is…..
A) pUC 18
B) YAC
C) Phagemid
D) pBR322
The cloning capacity of BAC vector is………..
A) 150-300kb
B) 400kb
C) 400-3000 kb
D) 400-1000 kb
Which of the following is not a type of vector?
A) Plasmid
B) Phagemid
C) Cosmid
D) Transmid
Most of the vectors used for transformation of DNA fragment in plants are based on?
A) Bacteriophages
B) YAC
C) BAC
D) Ti plasmid
The vector which has the ability to replicate in cells of two different species or hosts is?
A) Cosmid
B) Phagemids
C) Expressing vector
D) Shuttle vector

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