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प्रश्न
The ______ units form the backbone of the DNA.
विकल्प
5 carbon sugar
Phosphate
Nitrogenous bases
Sugar phosphate
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उत्तर
The Nitrogenous base units form the backbone of the DNA.
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संबंधित प्रश्न
The three sketch (A, B and C) are intended to represent the replication of DNA.
What should be their correct sequence, starting with the first and ending with the last? ……
Answer the following question in your own words.
Express your opinion about the use of DNA fingerprinting.
Fill in the blank:
DNA replicates in the ______ of the cell cycle.
State whether the following sentence is true or false:
In any specimen of DNA, the total molar amount of A + G = T+ C.
Choose the correct answer :
DNA model was given by ___________
DNA consists of two ______ chains.
Match the Column I with Column II and select the correct option.
| List-I | List-II | ||
| i. | Ribozyme | a. | Lac operon |
| ii. | Friedrich Miescher | b. | DNS as genetic material |
| iii. | Alfred Hershey and Martha Chase | c. | Catalytic RNA molecule |
| iv. | Francois-Jacob | d. | DNA is acidic substance |
A lysogen is a ______.
Write the functions of DNA.
