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Standard XII
Chemistry
Enzymes
The nuclease ...
Question
The nuclease enzyme which brings its attack from free end of a polynucleotide is?
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Solution
Restriction Exonucleus
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Q.
The nuclease enzyme which begins its attack from free end of a polynucleotide is
Q.
Identify the correct and incorrect statements.
A. The four nucleotide bases are not necessarily present in DNA in exact equal proportions.
B. The total amount of purines are equal to the total amount of pyrimidines.
C. DNA ligase enzyme act to hydrolyse or breakdown a polynucleotide chain into its component nucleotides.
D. Nuclease enzymes are capable of restoring an intact DNA duplex.
Q.
Read and select the correct and incorrect statement.
1) The four nucleotide bases are not necessarily present in DNA in exactly equal proportions.
2) The total amount of purines is equal to the total amount of pyrimidines.
3) DNA ligase enzyme act to hydrolyze or breakdown a polynucleotide chain into its component nucleotides.
4) Nuclease enzymes are capable of restoring an intact DNA duplex.
Q.
Which of the following is called polynucleotide joining enzyme?
Q.
Which one of the following is called polynucleotide joining enzyme?
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