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Which of the following statements does not hold true for restr
Biology Exemplar
Biology Exemplar

Class 12

NCERT Exemplar

Publisher:
NCERT
Subject:
Biology
1

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3

Chapter 3: Human Reproduction

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Chapter 4: Reproductive Health

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Chapter 5: Principles of Inheritance and Variation

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8

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9

Chapter 9: Strategies for Enhancement in Food Production

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10

Chapter 10: Microbes in Human Welfare

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11

Chapter 11: Biotechnology: Principles and Processes

48 questions

Q1
Who among the following was awarded the Nobel Prize for the development of PCR technique?
Q2
Which of the following statements does not hold true for restriction enzyme?
Q3
How is copy number of the plasmid vector related to yield of recombinant protein?
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12

Chapter 12: Biotechnology and its Applications

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13

Chapter 13: Organisms and Populations

70 questions

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14

Chapter 14: Ecosystem

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15

Chapter 15: Biodiversity and Conservation

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16

Chapter 16: Environmental Issues

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Question
Hard
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Solving time: 4 mins

Which of the following statements does not hold true for restriction enzyme?

A
It recognises a palindromic nucleotide sequence

B
It is an endonuclease

C
It is isolated from viruses

D
It produces the same kind of sticky ends in different DNA molecules

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Updated on: Oct 19, 2022

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The restriction enzymes are called ‘molecular scissors’ and are responsible for cutting DNA on specific sites. These are not found in viruses. They are present in bacteria to provide a type of defense mechanism called the ‘restriction modification system’ and the so called system consist of two component; restriction enzymes and modification enzyme.
The first component include restriction endonuclease, which identify the introduced foreign DNA and cut it into process. Same kind of sticky end in different individual molecule of DNA are also produced by these molecular scissors special sequence in the DNA recognised by restriction endonuclease is called palindromic nucleotide sequence.
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Question Text
Which of the following statements does not hold true for restriction enzyme?
Updated OnOct 19, 2022
TopicBiotechnology: Principles and Processes
SubjectBiology
ClassClass 12
Answer TypeText solution:1 Video solution: 2
Upvotes331
Avg. Video Duration3 min