5.2 Poly saccharides

Question 1

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

Answer 1

polysaccharides

Question 2

polysaccharides functions:

Answer 2

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

Question 3

what do plants store in the form of storage polysaccharides?

Answer 3

starch

Question 4

starch is made of

Answer 4

glucoses monomers

Question 5

how do plants store starch:

Answer 5

as granules in plastids (including chloroplasts)

Question 6

most of the glucose monomers in starch are joined by ______linkages

Answer 6

1-4

Question 7

what makes starch helical

Answer 7

the shape of its bonds

Question 8

simplest form of starch:

Answer 8

amylose (unbranched)

Question 9

animals store a polysaccharide called

Answer 9

glycogen

Question 10

glycogen is where

Answer 10

liver and muscle cells

Question 11

major component of the cell walls in plants

Answer 11

cellulose

Question 12

alpha or beta linkage

Question 13

alpha/beta linkage

Answer 13

cellulose

beta linkage (every other monomer is upside down)

Question 14

is cellulose branched?

Question 15

microfibrils

Question 16

structural polysaccharide used by arthopods to build exoskeletons

Answer 16

chitin

Question 17

texture of pure chitin

Answer 17

leathery and flexible

Question 18

structure of chitin

Answer 18

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