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प्रश्न
How many codons are needed to specify three amino acids?
पर्याय
3
6
9
12
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उत्तर
3
Explanation:
Three codons are needed to specify three amino acids. Codons can be described as messengers that are located on the messenger RNA (mRNA). It is a sequence of three nucleotides that code for one specific amino acid; therefore, every three nucleotides represent one codon.
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संबंधित प्रश्न
Correct the following statement by changing the underlined word:
Nitrogen bonds are present between the complementary nitrogenous bases of DNA.
Answer the following question in your own words.
Express your opinion about the use of DNA fingerprinting.
Fill in the blanks:
There are two nucleic acids ______ and ______.
State whether the following sentence is true or false:
Each spiral of the DNA has 12 nucleotides.
State whether the following sentence is true or false:
The two DNA chains are parallel to each other.
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 ___________
____________ were used by Friedrich Miescher for his experiments.
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 |
