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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
______ enzymes are used as biological scissors in r-DNA technology.
Explain the semi-conservative replication of eukaryotic DNA.
Very Short Answer Question:
Why are Okazaki fragments formed on lagging strand only?
Draw neat and labelled diagram of Replication Fork.
Which of the following statements about DNA replication is not correct?
Differentiate between Leading stand and lagging strand.
From their examination of the structure of DNA, What did Watson and Crick infer about the probable mechanism of DNA replication, coding capability, and mutation?
Match Column I with Column II and select the correct option among the following.
| Column I | Column II | ||
| i. | DNA replication | a. | RNA polymerase |
| ii. | Translation | b. | DNA polymerase |
| iii. | Transcription | c. | Reverse transcriptase |
| iv. | Reverse transcription | d. | t-RNA- amino acid complex |
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 one of the following correctly represents the manner of replication of DNA?
Which one of the following can form a nucleotide of DNA?
During replication of DNA Okazaki fragments are formed in the direction:
In viral DNA, how many origins of replication is/are present?
In prokaryotes, the primers of lagging strands are removed by ______.
Enzyme involved in synthesis of RNA primer.
Which of the following statement is correct regarding the process of replication in E.coli?
In eukaryotic organisms, replication of DNA occurs in ______.
Which phase of the cell cycle is DNA replication primarily restricted to?
