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प्रश्न
_______ enzymes are used as biological scissors in r-DNA technology.
(A) Restriction endonucleases
(B) DNA ligases
(C) DNA polymerases
(D) Reverse transcriptases
उत्तर
(A) Restriction endonucleases
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संबंधित प्रश्न
Very Short Answer Question:
When does DNA replication takes place?
A DNA segment has 75 cytosine and 40 thymine nucleotides. What shall be the total number of phosphates in the DNA segment?
How Meselson and Stahl explained the concept of Semiconservative Replication of DNA experimentally?
E. coli, in which both the strands of DNA are labeled with 15N is transferred to 14N medium and allowed to replicate for three generations. What would be the number of hybrid DNA molecules in the third generation?
Which of the following represents the autocatalytic functions of DNA?
Assertion (A): DNA replication is said to be semi-conservative.
Reason (R): After DNA replication, each daughter molecule has one old and one new strand.
Nucleolus is a major center for:
During replication of DNA Okazaki fragments are formed in the direction:
Okazaki segments are formed during ______.
In the experiment of Meselson and Stahl, the heavy DNA was separated from light DNA by centrifugation in ______.
