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प्रश्न
Multiple Choice Question
DNA structure was discovered by:
विकल्प
Lamarck
Mendel
Watson and Crick
H. G. Khurana
उत्तर
Watson and Crick
APPEARS IN
संबंधित प्रश्न
Correct the following statement if there is any mistake.
The four nitrogenous bases in the DNA are Guanine, Thiamine, Adrenaline and Cytosine.
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? ……
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.
Complete the following sentence with appropriate word:
A chromosome is composed of 50 % DNA and 50% ________.
Down’s syndrome is a genetic condition with 45 chromosomes.
Label the parts of the DNA in the diagram given below. Explain the structure briefly.
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 |
Decarboxylation is not involved in:
Write the functions of DNA.
