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Biomolecules
What is the difference between fibrous protein and globular protein?
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Fibrous Proteins |
Globular Proteins |
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They are fibre-like structures formed by polypeptide chains. Such proteins are held together by strong hydrogen and disulphide bonds. |
The polypeptide chains in these proteins are folded around themselves, giving these proteins a spherical structure. |
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They are usually insoluble in water. |
They are usually soluble in water. |
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They are structural proteins. For example, keratin is present in nails and hair, collagen is present in tendons and myosin is present in muscles. |
They are functional proteins. For example, most enzymes and some hormones like insulin. |
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How do you explain the absence of aldehyde group in the penta acetate of D-glucose?
The melting points and solubility of water of amino acids are generally higher than that of the corresponding halo acids. Explain.
Where does the water present in the egg go after the boiling the egg?
What products would be formed when a nucleotide from DNA containing thymine is hydrolysed?
When RNA is hydrolysed, there is no relationship among the quantities of different bases obtained. What does this fact suggest about the structure of RNA?
Give one example each of (i) Reducing sugar and (ii) Non-reducing sugar.
Name the anomers of glucose.
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