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Which one of the following is an essenti...

Which one of the following is an essential amino acid?

A

Isoleucine

B

Tyrosine

C

Serine

D

Cysteine

Text Solution

Verified by Experts

The correct Answer is:
A
Isoleucine
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ERRORLESS-BIOMOLECULES -NCERT BASED QUESTIONS (Proteins, Amino Acids and Enzymes)
  1. The helical structure of protein is stabilized by

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  2. The correct structure of the dipeptide gly-ala is

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  3. Which one of the following is an essential amino acid?

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  4. Which of the following proteins is globular?

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  5. Proteins fulfil several functions in living system . An example of a ...

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  6. Proteins are found to have two different types of secondary structures...

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  7. Which amino acid has imidazole ring

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  8. Which amino acids has an aromatic ring ?

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  9. Which part of the protein molecule is responsible for function and act...

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  10. Sanger's reagent is used for the identification of:

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  11. Proteins are hydrolysed by enzymes into

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  12. Proteins when heated with cone. HNO3 gives a yellow colour. This Is

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  13. Which compound can exist in a dipolar (zwitter ion) state

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  14. The pK(a1) and pK(a2) of an amino acid are 2.3 and 9.7 respectively. T...

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  15. On hydrolysis, proteins give :

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  16. Which of the following amino acid is neutral?

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  17. Denaturation of proteins

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  18. For alpha -amino acids having the structure R-underset(NH(2))underset(...

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  19. Amino acids usually exist in the form of Zwitter ions. This mean that ...

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  20. There are 20 naturally occuring amino acids. The maximum number of tri...

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