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A positive Biuret test confirms the presence of

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Important Questions on Biomolecules

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Alpha Question Bank for Engineering: Chemistry>Chapter 29 - Biomolecules>Exercise-4>Q 49
Bonds responsible for the helical structure of proteins are
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Alpha Question Bank for Engineering: Chemistry>Chapter 29 - Biomolecules>Exercise-4>Q 50
Glucose and fructose react with phenyihydrazine to give identical yellow osazones because
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Alpha Question Bank for Engineering: Chemistry>Chapter 29 - Biomolecules>Exercise-4>Q 51
In a nucleoside, nitrogen base is linked to pentose sugar by ______.
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Alpha Question Bank for Engineering: Chemistry>Chapter 29 - Biomolecules>Exercise-4>Q 52
Which of the following term is applicable for glucose - galactose pair?
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Alpha Question Bank for Engineering: Chemistry>Chapter 29 - Biomolecules>Exercise-4>Q 53
 What is true about both DNA and RNA?
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Alpha Question Bank for Engineering: Chemistry>Chapter 29 - Biomolecules>Exercise-4>Q 54
Titration of the amino acid lysine has three pKa viz.,pKa12.18,pKa28.95 and pKa310.53.The pH at which this amino acid will show no net migration in an electric field is:
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Alpha Question Bank for Engineering: Chemistry>Chapter 29 - Biomolecules>Exercise-4>Q 55
Proteins present inside the cell membrane are stabilised by:
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Alpha Question Bank for Engineering: Chemistry>Chapter 29 - Biomolecules>Exercise-4>Q 56
The amino acid proline allows bending of a polypeptide in the secondary structure of protein. This is possible due to the: