starch, glycogen and cellulose Flashcards

1
Q

what is starch

A

polysaccharide

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2
Q

what bonds and reaction of starch

A

glycosidic and a condensation reaction

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3
Q

what is the main role of starch

A

its an energy store

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4
Q

what is the structure of starch

A

It’s insoluble so it does not affect water potential
It’s large so it does not diffuse out of cells
its compact os it can be stored in small places

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5
Q

what is the structure of glycogen

A

It’s insoluble so it does not draw water in the cell
it is insoluble so it does not diffuse out the cell
It’s compact so it can be stored in small places

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6
Q

what does cellulose do for the cell wall

A

it provides turgidity

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7
Q

what is the structure of cellulose

A

cellulose molecules are made up of beta glucose
cellulose molecular chain run parallel and are crossed linked by hydrogen bonds
these molecules are grouped to form microfibrials

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