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प्रश्न
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उत्तर
Importance of DNA:
(a) DNA is most important because it is the hereditary material.
(b) It acts as the director of protein synthesis.
(c) Some DNA of chromosomes forms nucleolus.
(d) DNA in presence of enzymes forms mRNA which acts as messenger.
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संबंधित प्रश्न
Name the enzyme and state its property that is responsible for continuous and discontinuous replication of the two strands of a DNA molecule
Write a sentence of the following:
Chromonemata
Fill in the blanks:
There are two nucleic acids ______ and ______.
Fill in the blank:
DNA stands are made up of, pentose sugar and four types of ______ bases.
State whether the following sentence is true or false:
Genes are arranged in a linear order on a chromosome.
Multiple Choice Question
DNA structure was discovered by:
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 |
Through which of the following experiments DNA was proved to be the genetic material in E. coli and bacteriophage?
Write the functions of DNA.
