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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
Explain replication of bacteriophage with the help of a suitable diagram.
As the base sequence present on one strand of DNA decides the base sequence of other strands; this strand is considered as ______.
Enlist the names of enzymes used in semiconservative replication of DNA?
Draw neat and labelled diagram of Replication Fork.
How Meselson and Stahl explained the concept of Semiconservative Replication of DNA experimentally?
E. coli cell grown on 15N medium are transferred to 14N medium and allowed to grow for two generations. DNA extracted from these cells is ultracentrifuged in a cesium chloride density gradient. What density distribution of DNA would you expect in this experiment?
Which of the following statements is not true about DNA replication in eukaryotes?
Identify the direction of DNA replication in eukaryotes.
When DNA directs the synthesis of chemical molecules other than itself, then such functions of DNA are known as ______.
Which of the following represents the autocatalytic functions of DNA?
For which of the following reason RNA primer is must for initiation of DNA replication?
Which of the following term correctly describes the movement of ribosome on the mRNA?
Read the following statements and select the correct option.
Statement I: DNA replication is continuous on leading strand while on the lagging strand it is discontinuous.
Statement II: DNA polymerase cannot initialize polymerization without a primer.
______ carbon atoms of successive nucleotides of nucleic acid are linked by Phospho-diester bond.
In DNA molecule, pairing between two complementary nucleotides takes place by ________ bonds.
Identify the biomolecule that is capable of self-replication.
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?
