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Biomolecules

Short Answer Type

141.
State difference between Enzymes and Co-enzymes.

Enzymes	Co-enzymes
1. They are biological catalysts which are required to catalyse biochemical reaction, e.g. amylase,streptokinase, maltose.	1. They are non- proteinous part which increase the activity of enzymes e.g., metal ion like, Mg²⁺, Zn²⁺, Mn²⁺, Na⁺, K⁺ or small molecules are called co-enzymes.
2. All enzymes are proteins.	2. Co-enzymes are non-proteinous.

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142.

Name the bases present in RNA molecule.

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143.

Name the water insoluble fraction of starch. Name the monomer of this ?

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144.

What do you mean understand by tertiary structure of proteins? Mention the forces involved informing these structures.

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145.

Mention two structural differences between amylopectin and cellulose.

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Long Answer Type

146.

Name the product obtained on complete hydrolysis of DNA. Enumerate the structural differences between DNA and RNA. In what way is a nucleotide different from a nucleoside? Illustrate with examples.

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