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प्रश्न
Which of the following statements is not true about DNA replication in eukaryotes?
विकल्प
Replication begins at a single origin of replication.
Replication is bidirectional from the origins.
Replication occurs at about 1 million base pairs per minute.
There are numerous different bacterial chromosomes, with replication ocurring in each at the same time.
उत्तर
There are numerous different bacterial chromosomes, with replication ocurring in each at the same time.
संबंधित प्रश्न
Explain replication of bacteriophage with the help of a suitable diagram.
What is the function of an RNA primer during protein synthesis?
How Meselson and Stahl explained the concept of Semiconservative Replication of DNA experimentally?
Describe the process of semiconservative replication of DNA with the help of a neat and labelled diagram.
What are Okazaki fragments?
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?
Differentiate - Leading stand and lagging strand.
a) Identify the figure given below
b) Redraw the structure as a replicating fork and label the parts
c) Write the source of energy for this replication and name the enzyme involved in this process.
d) Mention the differences in the synthesis of protein, based on the polarity of the two template strands.
DNA replication begins at specific sites situated on the molecule. Such sites are called ____________.
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 |
Which of the following represents the autocatalytic functions of DNA?
Enzyme ______ brings about the DNA unwinding by breaking weak hydrogen bonds in the vicinity of origin.
Which of the following is present at the sticky ends of a fragmented DNA molecule?
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.
The addition of nucleotides on the lagging strand occurs ____________ during DNA replication.
Nucleolus is a major center for:
During replication of DNA Okazaki fragments are formed in the direction:
The nucleic acid synthesis takes place in ______.
Which of the following DNA polymerase enzyme in eukaryotes has 5' -3' exonuclease activity?
