Choose correct pair from following

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9.Biotechnology Principals and Process

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Choose the correct pair from the following

A

Exonucleases : Make cuts at specific positions within $DNA$

B

Ligases : Join the two $DNA$ molecules

C

Polymerases : Break the $DNA$ into fragments

D

Nucleases $:$ Separate the two strands of $DNA$

(NEET-2020)

Solution

Ligases : Join the two $DNA$ molecules

Standard 12

Biology

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Similar Questions

Match the following enzymes with their functions

$(a)$ Restriction endonuclease $(i)$ Joins the $DNA$ fragements

$(b)$ Restriction exonuclease $(ii)$ Extends primers on genomic $DNA$ template

$(c)$ $DNA$ ligase $(iii)$ Cuts $DNA$ at specific position

$(d)$ Taq polymerase $(iv)$ Removes nucleotides from the ends of $DNA$

Select the correct option from the following

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(NEET-2019)

Gene for cloning may be chemically synthesized:

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In gel electrophoresis, the separated bands of $DNA$ are cut out and extracted from the gel piece. This step is called

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Consider the following statements

$I.$ A soil inhabiting plant bacterium, Agrobacteriumtumefaciens, a pathogen of several dicot plants is able to transfer a piece of $DNA$ known as $T-DNA$

$II.$ The T-DNA causes tumours

$III.$ Tumour formation induced by $Ti-$ plasmid

Which of the statements given above are correct?

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$I.$ DNA being a hydrophilic molecule cannot pass through cell membranes

$II.$ The bacteria should be made competent to accept the $DNA$ molecule

The correct option regarding the above statements is

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