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Answer the followingquestion briefly : (i)Whatare reducingsugare ? (ii) Whatis meant by denaturation of a protein ? (iii) Howis oxygenreplenished in ouratmosphers ? |
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Answer» SOLUTION :(i) Reducing sugar : All thosecarbohydrateswhichreduce Fehling.s solution and Tollen.sreagentare referredtoas reducingsugar. All monosaccharides whetheraldose or ketose are reducingsugars. (ii)Denaturationof a protein : When `2^(@)` and `3^(@)` structureofa protein isdestroyed DUE tothephysical CHAGES liketemperature, changein pH, it is calleddenaturationof a protein . Example Coagulationof egg whiteon boiling . (iii ) We takeoxygenfromatmosphere and release`CO_(2)`. Plants take up `CO_(2)`and `H_(2)O` fromtheatmosphere to preparetheir FOODIN the presenceof sunlinghtand release`O_(2)`, thus`O_(2)`is replenishedin atmosphere. |
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