Starch grains in potato tuber cell SEM x640 Carbohydrates: The Polysaccharides.

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Starch grains in potato tuber cell SEM x640 Carbohydrates: The Polysaccharides

The Polysaccharides Starch Amylose Amylopectin Glycogen ?

Understanding Diagnostic Tests Starch

If a storage compound was soluble in water, what would it do to the cytoplasm of the cells in which it was stored? What is the advantage of helical coiling in amylose? Which component of starch – amylose or amylopectin – would the plant be able to build up and break down the quickest? Explain your answer. What is the advantage to an animal of storing Glycogen which is even more branched than amylopectin?

Cellulose

Why is cellulose not digested by mammals? Or Why do cellulose-based materials such as cotton take a long time to rot? Cellulose is made up of ………….monomers joined together by ……………links. It forms straight, unbranched chains that run parallel to each other and are cross-linked by …………………. bonds. These molecules are grouped together to form …………….. which in turn are grouped into fibres. Cellulose performs a …………… function in plants by giving a plant cell rigidity. It also prevents cells from ……………..when water enters by …………….. In this way it keeps herbaceous parts of plants ………………. so that they provide the maximum surface area for ………………….