Advertisements
Advertisements
Question
Which of the following statements is not true about DNA replication in eukaryotes?
Options
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.
Solution
There are numerous different bacterial chromosomes, with replication ocurring in each at the same time.
RELATED QUESTIONS
What is Bacteriophage?
As the base sequence present on one strand of DNA decides the base sequence of other strands; this strand is considered as ______.
Which enzyme does remove supercoils from replicating DNA?
During DNA replication, the separated strands of DNA are prevented from recoiling by
Define Heterochromatin.
How Meselson and Stahl explained the concept of Semiconservative Replication of DNA experimentally?
Which of the following statements about DNA replication is not correct?
Differentiate - Leading stand and lagging strand.
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 one of the following correctly represents the manner of replication of DNA?
Which of the following represents the autocatalytic functions of DNA?
Assertion (A): DNA replication is said to be semi-conservative.
Reason (R): After DNA replication, each daughter molecule has one old and one new strand.
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 tbe following is generally used for creating density gradient during centrifugation?
The addition of nucleotides on the lagging strand occurs ____________ during DNA replication.
When the DNA molecule appears like inverted Y, it is ______
Characteristics unique to DNA are ______.
In the experiment of Meselson and Stahl, the heavy DNA was separated from light DNA by centrifugation in ______.
