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प्रश्न
What background information did Watson and Crick had available with them for developing a model of DNA? What was their own contribution?
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उत्तर
Wastson and Crick had the following informations which helped them to develop a model of DNA.
- Chargaffs’ Law suggesting A = T, and C = G.
- Wilkins and Rosalind Franklin’s work on DNA crystal’s X-ray diffraction studies about DNA’s physical structure.
- Watson and crick proposed
- How complementary bases may pair
- Semi-conservative replication and
- Mutation through tautomerism
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संबंधित प्रश्न
What is the correct sequence of the stages in bacteriophage lytic cycle?
(A) Attachment, Penetration, Lysis, Multiplication
(B) Attachment, Penetration, Multiplication, Lysis
(C) Lysis, Penetration, Multiplication, Attachment
(D) Attachment, Lysis, Multiplication, Penetration
Which enzyme does remove supercoils from replicating DNA?
Very Short Answer Question:
Why are Okazaki fragments formed on lagging strand only?
How Meselson and Stahl explained the concept of Semiconservative Replication of DNA experimentally?
Okasaki fragments are joined together by ______.
Differentiate between Leading stand and lagging strand.
For which of the following purpose agarose gel electrophoresis technique is used?
During DNA replication, Okazaki fragments are used to elongate ____________.
Which of the following is present at the sticky ends of a fragmented DNA molecule?
Which of tbe following is generally used for creating density gradient during centrifugation?
______ carbon atoms of successive nucleotides of nucleic acid are linked by Phospho-diester bond.
When the DNA molecule appears like inverted Y, it is ______
Extension of the plasma membrane in a prokaryotic cell is ______.
Wobble position means:
Match the following column.
| Column - I | Column - II |
| (A) DNA structure | 1. Muller and stadder |
| (B) Semiconservative replication of DNA | 2. Beadle and partum |
| (C) One gene-one enzyme theory | 3. Watson and crick |
| (D) Induction of mutation | 4. Massillon and stahl |
Okazaki segments are formed during ______.
Which of the following reaction is required for proofreading during DNA replication by DNA polymerase III?
Which of the following statement is correct regarding the process of replication in E.coli?
