Biomolecules Chemistry - Biomolecules

A vitamin which plays a vital role in the coagulating property of blood is :

Which of the following is a ketohexose?

The helical structure of protein is stabilized by which of the following?

What is an enzyme ?

(i) Write one reaction of D-glucose which cannot be explained by its open chain structure.
(ii) What type of linkage is present in nucleic acids?

What are the expected products of hydrolysis of lactose ?

Write the name of two Vitamins and name the diseases caused by deficiency of vitamins.

What type of bonding occurs in globular proteins?

Why cellulose cannot be used as the food for human beings?

How is polypeptide bond formed ?

Discuss the utility of DNA fingerprinting.

What are essential and non-essential amino acids? Give two examples.

What is the basic structural difference between starch and cellulose ?

Explain the difference between globular and fibrous proteins.

Give the plausible explanation for the following :
(a) Glucose does not give 2,4-DNP test.
(b) The two strands in DNA are not identical but are complementary.
(c) Starch and cellulose both contain glucose unit as monomer, yet they are structurally different.

What are nucleic acids ?

What are Carbohydrates? How are they classified?

What happens when D-glucose is treated with the following reagents?
(i) HI, (ii) Bromine water.

Differentiate between DNA and RNA.

Define the following with an example of each:
(a) Polysaccharides
(b) Denatured protein

What are amino acids?

What are enzymes?