Microbes in Human WelfareMedium
Question
Which one of the following statement regarding starchand cellulose is correct
Options
A.Both of them are of plant origin.
B.Both of them are polymers.
C.Both of them give colour with iogine.
D.Both of them are made up of glucosem molecules.
Solution
Starch is the reserve substance in plant cells whereas celluose is most important structural compoent of the cellwall of plants. Both starchand cellulose are is poymers of glucose. Starch is a branched polymers of glucose units which are linked by glycosidic bonds). Cellelluse is liner polymer of -glocose units connected throughglycosidic bonds. In contrast to strch and glyconen, cellulose is insoluble in ordinary solvents and is insoluble by boiling dilute acids. It gives no colour with iodine.
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