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Biomolecules
What are reducing and non-reducing sugars? What is the structural feature characterizing reducing sugars ?
Those carbohydrates which contain free aldehyde or ketonic group reduce Fehling’s solutions and Tollen’s reagent are called reducing sugar e.g., monosaccharides like glucose, fructose, galactose are reducing sugars.
Those carbohydrates which do not contain free aldehydes or ketonic group and do not reduce Fehling’s solution and Tollen’s reagent are called non-reducing sugars, e.g., maltose, lactose, sucrose.
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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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