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Byju's Answer
Standard XII
Biology
Restriction Enzyme
Restriction e...
Question
Restriction enzymes cut DNA at specific sites known as ______________.
A
Telomeric sequences
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B
Palindromic sequences
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C
Terminator sequences
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D
Attenuator sequences
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Solution
The correct option is
B
Palindromic sequences
B. Palindromic sequences
Solution : Restriction enzymes can cut at specific sites which resemble palindrome in nature having palindromic DNA sequences ( GAATTC-CTTAAG)
So the correct answer is "Palindromic sequence"
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Similar questions
Q.
The restriction endonuclease enzymes cut the DNA strands at specific sequences known as ______.
Q.
Each restriction enzyme recognises a specific base sequence known as
. This site is
in sequence.
Q.
Which of the following sequences along a double stranded DNA molecule may be recognized as a cutting site for a particular restriction enzyme ?
Q.
Assertion :Restriction endonucleases recognize short palindromic sequence and cut at specific sites. Reason: When a restriction endonuclease acts on a palindrome, it cleaves both the strands of DNA molecule.
Q.
Which of the following statements are correct?
(i) Restriction enzymes may cut the DNA strand a little away from the centre of the palindromic sequence, but between the same two bases on the opposite strands.
(ii) Hind ll always cuts DNA molecules at a particular site by recognising a specific sequence of six base pairs.
(iii) DNA is a positively charged molecule.
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