Starch, Glycogen & Cellulose Flashcards
Starch is a ……..saccharide
Polysaccharide
How are glycosidic bonds in starch formed?
Condensation reactions
How is starch made very compact?
Wound into a tight coil
Why doesn’t starch affect water potential?
It’s insoluble
How is starch suitable for storage in small spaces?
Very compact
Does starch form alpha glucose or beta glucose when hydrolysed?
Alpha glucose
In what type of cell is starch never found?
Animal cells
In which type of cell is glycogen never found; plant, bacteria or animal?
Plant cells
How is glycogen different to starch?
Glycogen has shorter chains
How is glycogen stored in animals?
Small granules in the muscle and the liver
Is glycogen soluble or insoluble?
Insoluble
How does cellulose differ from starch and glycogen?
Cellulose is beta glucose while starch and glycogen are alpha glucose
How does the structure of starch differ from that of cellulose?
Cellulose has straight, unbranched chains and starch has coiled chains
What bonds are in cellulose?
Hydrogen
What are groups of cellulose molecules called?
Microfibrils