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Question

DNA is unique in that it has
  1. Nitrogen bases
  2. Ability to withstand heat
  3. Ability to replicate
  4. Ability for replication and transcription

A
Nitrogen bases
B
Ability to withstand heat
C
Ability to replicate
D
Ability for replication and transcription
Solution
Verified by Toppr

DNA is genetic material found in the living cell. It helps to carry characters from one generation to the other. The process by which the DNA replicated and forms another DNA molecule is known as replication. Parent strand of the DNA strand act as a template for synthesis of another DNA molecule.
Transcription is the process by which DNA is converted into RNA. The enzyme RNA polymerase plays an important role in transcription. The sequence of the nitrogenous base on the DNA acts as a template and determines the sequence of the nitrogenous base on the m-RNA.
So, the correct answer is option D.

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Similar Questions
Q1
Which of the following is true for both transcription and DNA replication?
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Q2
How many of the following statements are correct ?

A. DNA dependent DNA polymerase requires DNA primer for initiating replication but DNA dependent RNA polymerase does not require any primer for transcription.

B. DNA dependent DNA polymerase requires RNA primer for initiating replication but DNA dependent RNA polymerase does not require any primer for transcription.

C. During replication, unwinding of DNA double helix forms a fork-like structure called replication fork.

D. During transcription, unwinding of the DNA double helix by DNA dependent RNA polymerase forms a transcription bubble.

E. During transcription, unwinding of DNA double helix by DNA dependent RNA polymerase forms a transcription fork.
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Q3
Which of the following statements fall appropriately under replication of DNA and transcription of mRNA?
A. Entire genomic DNA is copied.
B. Both the strands of DNA are copied.
C. DNA dependent DNA polymerase is used.
D. Nitrogenous bases adenine, uracil, guanine and cytosine take part in forming the polynucleotide chain.
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Q4
DNA synthesis during replication is ______i_____ and RNA synthesis during transcription is_____ii_______.
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Q5
The sequence of events mentioned below are symbolised by alphabets. Choose the correct answer where the alphabets are matched with the processes.
A B C D
RNA DNA DNA mRNA Polypeptide

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