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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? ……
State whether the following sentence is true or false:
In any specimen of DNA, the total molar amount of A + G = T+ C.
Complete the following sentence with appropriate word:
A chromosome is composed of 50 % DNA and 50% ________.
How many codons are needed to specify three amino acids?
DNA consists of two ______ chains.
What is the name given to the segments of DNA, which are responsible for the inheritance of a particular character?
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 |
Which of the following enzyme catalyse the removal of nucleotides from ends of DNA?
Which of the following basic proteins DNA is associated?
A nucleoside differs from a nucleotide in not having a ______.
