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प्रश्न
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उत्तर
DNA and RNA are the two nucleic acids.
Frederick Miescher discovered 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.
Choose the correct answer:
This structure is not present in all chromosomes ___________
Choose the correct answer :
Which of these is not present in DNA?
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?
Multiple Choice Question:
Place the following event of translation in the correct sequence
i. Binding of met-tRNA to the start codon.
ii. Covalent bonding between two amino acids.
iii. Binding of second tRNA.
iv. Joining of small and large ribosome subunits.
What happened when heat-killed S-cells along with living R-cells were injected into mice?
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?
