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In Glycylalanine ( gly-ala), glycine has a free amino while alanine has a free carboxyl group.

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72.

Name the derivative of a dipeptide used as a sugar substitute.

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73.

Give an example of irreversible protein denaturation.

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74. The sugar which we eat in our everyday life is converted into glucose and fructose. Name the enzyme which facilitates this chemical reaction.

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75.

What is the importance of amino acids to us?

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76.

What do you mean by peptide bond?

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77.

What is renaturation of protein?

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78.

Which enzyme regulates the blood sugar level in the body?

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79.

What are nucleic acids?

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80.

What is meant by Nucleotide?

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