Match the following (a) Inhibitor of catalytic activity (i) Ricin (b) Possess peptide bonds (ii) Malonate (c) Cell wall material in fungi (iii) Chitin (d) Secondary metabolite (iv) Collagen Choose the correct option from the following

(a)-(ii), (b)-(iv), (c)-(iii), (d)-(i)

(a)-(iii), (b)-(i), (c)-(iv), (d)-(ii)

(a)-(iii), (b)-(iv), (c)-(i), (d)-(ii)

(a)-(ii), (b)-(iii), (c)-(i), (d)-(iv)

HARD

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The activity of a certain protein is dependent on its phosphorylation. A mutation in its gene changed a single amino acid which affected the function of the molecule. Which amino acid change is most likely to account for this observation?

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Important Questions on Biomolecules

EASY

Biology>Cell : Structure and Functions>Biomolecules>Proteins

How many different proteins consisting of 100 amino acids can be formed from 20 different amino acids?

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Biology>Cell : Structure and Functions>Biomolecules>Proteins

Which disease is caused by the deficiency of vitamin C?

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Biology>Cell : Structure and Functions>Biomolecules>Proteins

What is the popular name of 'Ascorbic Acid'?

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Biology>Cell : Structure and Functions>Biomolecules>Proteins

Which one of the following is the most abundant protein in the animals?

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Biology>Cell : Structure and Functions>Biomolecules>Proteins

Which of these fruits not rich in Vitamin C?

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Biology>Cell : Structure and Functions>Biomolecules>Proteins

Tartaric Acid is not found in _______.

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Biology>Cell : Structure and Functions>Biomolecules>Proteins

Deficiency of vitamin-B leads to ______.

EASY

Biology>Cell : Structure and Functions>Biomolecules>Proteins

Amino acid analysis of two globular protein samples yielded identical composition per mole. Which one of the following characteristics is necessarily identical for the two proteins

?

MEDIUM

Biology>Cell : Structure and Functions>Biomolecules>Proteins

The deficiency of Vitamin-A causes _____.

EASY

Biology>Cell : Structure and Functions>Biomolecules>Proteins

The deficiency of Vitamin-A causes:

MEDIUM

Biology>Cell : Structure and Functions>Biomolecules>Proteins

Match the following

(a)	Inhibitor of catalytic activity	(i)	Ricin
(b)	Possess peptide bonds	(ii)	Malonate
(c)	Cell wall material in fungi	(iii)	Chitin
(d)	Secondary metabolite	(iv)	Collagen

Choose the correct option from the following

HARD

Biology>Cell : Structure and Functions>Biomolecules>Proteins

Two tubes labelled 'P' and 'Q' contain foodstuff. Tube 'P' gave a positive test with Benedict's solution while tube 'Q' gave a positive test with nitric acid. Which of the following is correct?

EASY

Biology>Cell : Structure and Functions>Biomolecules>Proteins

Which one of the following is not a good source of nutrition calcium?

EASY

Biology>Cell : Structure and Functions>Biomolecules>Proteins

Wheat is a _____.

EASY

Biology>Cell : Structure and Functions>Biomolecules>Proteins

Diseases caused by the deficiency of vitamin