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प्रश्न
Meselson and Stahl’s experiment proved ____________.
पर्याय
Transduction
Transformation
DNA is the genetic material
Semi-conservative nature of DNA replication
उत्तर
Meselson and Stahl’s experiment proved Semi-conservative nature of DNA replication.
संबंधित प्रश्न
Explain replication of bacteriophage with the help of a suitable diagram.
What is Bacteriophage?
Enlist the names of enzymes used in semiconservative replication of DNA?
Define Heterochromatin.
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?
What is the basis for the difference in the synthesis of the leading and lagging strand of DNA molecules?
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 |
When DNA directs the synthesis of chemical molecules other than itself, then such functions of DNA are known as ______.
Which one of the following correctly represents the manner of replication of DNA?
In which direction polymerization of DNA nucleotides occurs during the synthesis of lagging strand?
At the point of origin, enzyme endonuclease nicks one of the strands of DNA by breaking the ______
Identify the CORRECT combination of statements with respect to DNA synthesis.
I. Always the direction of DNA polymerization 5' → 3' when referring to the polarity of strand being synthesized.
II. DNA ligase forms hydrogen bonds between two newly synthesized DNA strands.
III. DNA polymerases on their own cannot initiate the process of replication.
IV. DNA polymerase can catalyse polymerization in both 5'→ 3' and 3'→ 5' direction.
Which of the following is present at the sticky ends of a fragmented DNA molecule?
Which of the following is the function of single-strand binding proteins?
In a segment of DNA with 10 base pairs, the numbers of sugar molecules are _________.
In DNA molecule, pairing between two complementary nucleotides takes place by ________ bonds.
Nucleolus is a major center for:
Okazaki is known for his contribution to the under tanding of:
Which of the following reaction is required for proofreading during DNA replication by DNA polymerase III?
