5.2 Poly saccharides Flashcards

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1
Q

macromolecules/ polymers with a few hundred to a few thousand monosaccharides joined by glycosidic linkages:

A

polysaccharides

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2
Q

polysaccharides functions:

A

1- store material that can be hydrolyzed as needed to provide sugar for cells 2- building material for structures that protect the cell and organism

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3
Q

what do plants store in the form of storage polysaccharides?

A

starch

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4
Q

starch is made of

A

glucoses monomers

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5
Q

how do plants store starch:

A

as granules in plastids (including chloroplasts)

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6
Q

most of the glucose monomers in starch are joined by ______linkages

A

1-4

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7
Q

what makes starch helical

A

the shape of its bonds

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8
Q

simplest form of starch:

A

amylose (unbranched)

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9
Q

animals store a polysaccharide called

A

glycogen

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10
Q

glycogen is where

A

liver and muscle cells

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11
Q

major component of the cell walls in plants

A

cellulose

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12
Q

alpha or beta linkage

A
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13
Q

alpha/beta linkage

A

cellulose

beta linkage (every other monomer is upside down)

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14
Q

is cellulose branched?

A
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15
Q

microfibrils

A
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16
Q

structural polysaccharide used by arthopods to build exoskeletons

A

chitin

17
Q

texture of pure chitin

A

leathery and flexible

18
Q

structure of chitin

A

similar to cellulose except the glucose monomer ha a nitrogen containing appendage