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CBSE - Class 12 Chemistry Biomolecules Worksheet

How are vitamins classified? Name the vitamin responsible for the coagulation of blood.

What happens when D-glucose is treated with \(HNO_{3}\)?

What are the common types of secondary structure of proteins?

What happens when D-glucose is treated with Bromine water?

Write the important structural and functional differences between DNA and RNA.

What are the different types of RNA found in the cell?

Differentiate between globular and fibrous proteins.

What do you understand by the term glycosidic linkage?

What type of bonding helps in stabilising the \(\alpha\)-helix structure of proteins?

10.

Define Primary structure as related to proteins.

11.

What is the basic structural difference between starch and cellulose?

12.

Why are vitamin A and vitamin C essential to us? Give their important sources.

13.

What happens when D-glucose is treated with HI?

14.

What are nucleic acids? Mention their two important functions.

15.

Enumerate the reactions of D-glucose which cannot be explained by its open chain structure.

16.

What are reducing sugars?

17.

What is the difference between a nucleoside and a nucleotide?

18.

Classify the following into monosaccharides and disaccharides. Ribose, 2-deoxyribose, maltose, galactose, fructose and lactose.

19.

The two strands in DNA are not identical but are complementary. Explain.

20.

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

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