CBSE Class 12 Chemistry 2020 Delhi Set 1 Solved Paper

Question : 30

Total: 37

Differentiate between following:
(i) Amylose and Amylopectin
(ii) Globular protein and Fibrous protein
(iii) Nucleotide and Nucleoside

Solution:

(i) Amylose and Amylopectin:

S. No.	Amylose	Amylopectin
1	Amylose is a straight chain polymer of D-glucose	Amylopectin is a branched chain polymer of D-glucose.
2	They are linked by 1,4-glycosidic linkage	They are linked by α−1,4 glycosidic and α−1,6− glycosidic linkage.

(ii) Globular protein and Fibrous protein

S. No.	Globular protein	Fibrous protein
1.	Polypeptide chains are arranged as coils.	Polypeptide chains are run parallel to each other.
2.	They have spherical shape.	They have thread like structure.
3.	These are water soluble.	These are insoluble in water.

(iii) Nucleotide and Nucleoside

S. No.	Nucleotide	Nucleoside
1.	It consists of a nitrogenous base, sugar and one to three phosphate groups.	It consists of a nitrogenous base covalently bonded to a sugar without phosphate group.
2.	Example: 5′-uridine monophosphate	Example: Uridine

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