(B) Plasmids are widely used in genetic engineering because they can replicate independently of the chromosomal $DNA$.Plastids are double-membrane org

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(B) Plasmids are widely used in genetic engineering because they can replicate independently of the chromosomal $DNA$.Plastids are double-membrane organelles found in plants and algae,primarily involved in photosynthesis and storage.Mitochondria are the powerhouses of the cell,and ribosomes are the sites of protein synthesis,but neither is used as a vector in genetic engineering.

Class 12 Biology Biotechnology Principals and Process Tools of recombinant DNA technology

Easy

Which of these are most widely used in genetic engineering?

A
Plastid
B
Plasmid
C
Mitochondria
D
Ribosome

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Class 12 Questions

Class 12

Biology Questions

Chapter

Biotechnology Principals and Process

Subtopic

Tools of recombinant DNA technology

Which of the following organelles is related to genetic engineering?

Medium

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$EcoRI$ cleaves the $DNA$ strands to produce

EasyKCET 2013

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In genetic engineering,the modification of $DNA$ has become possible due to the discovery of .............. .

MediumAIPMT 2003

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Plasmid is used as a carrier (vector) because:

Medium

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Match the columns:

Column-$I$ Column-$II$

$(a)$ Ligase $(i)$ It removes nucleotides from $DNA$ ends.

$(b)$ Endonuclease $(ii)$ Connects parts of $DNA$.

$(c)$ Exonuclease $(iii)$ Removes phosphates from $DNA$.

$(d)$ $DNA$ Polymerase $(iv)$ It produces sticky ends in $DNA$.

$(v)$ Useful for repeated amplification.

Column-$I$	Column-$II$
$(a)$ Ligase	$(i)$ It removes nucleotides from $DNA$ ends.
$(b)$ Endonuclease	$(ii)$ Connects parts of $DNA$.
$(c)$ Exonuclease	$(iii)$ Removes phosphates from $DNA$.
$(d)$ $DNA$ Polymerase	$(iv)$ It produces sticky ends in $DNA$.
	$(v)$ Useful for repeated amplification.