Starch, Glycogen & Cellulose Flashcards

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1
Q

Starch is a ……..saccharide

A

Polysaccharide

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2
Q

How are glycosidic bonds in starch formed?

A

Condensation reactions

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3
Q

How is starch made very compact?

A

Wound into a tight coil

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4
Q

Why doesn’t starch affect water potential?

A

It’s insoluble

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5
Q

How is starch suitable for storage in small spaces?

A

Very compact

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6
Q

Does starch form alpha glucose or beta glucose when hydrolysed?

A

Alpha glucose

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7
Q

In what type of cell is starch never found?

A

Animal cells

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8
Q

In which type of cell is glycogen never found; plant, bacteria or animal?

A

Plant cells

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9
Q

How is glycogen different to starch?

A

Glycogen has shorter chains

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10
Q

How is glycogen stored in animals?

A

Small granules in the muscle and the liver

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11
Q

Is glycogen soluble or insoluble?

A

Insoluble

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12
Q

How does cellulose differ from starch and glycogen?

A

Cellulose is beta glucose while starch and glycogen are alpha glucose

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13
Q

How does the structure of starch differ from that of cellulose?

A

Cellulose has straight, unbranched chains and starch has coiled chains

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14
Q

What bonds are in cellulose?

A

Hydrogen

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15
Q

What are groups of cellulose molecules called?

A

Microfibrils

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16
Q

What does cellulose do in plant cells?

A

Provides rigidity to plant cells