Biological compounds

Question 1

a-amylase cleaves

Answer 1

a 1,4 linkages

Question 2

b-amylase cleaves

Answer 2

a 1,4 linkages

Question 3

y-amylase (glucamylase) cleaves

Answer 3

a 1,4 and a 1,6 linkages

Question 4

hydrolysis products of a-amylase

Answer 4

maltose + dextrins

Question 5

hydrolysis products of b-amylase

Answer 5

maltose

Question 6

hydrolysis products of y-amylase (glucamylase)

Answer 6

glucose

Question 7

starch linked by _____ bonds

Answer 7

a 1,4 glycosidic

Question 8

glycogen linked by ______ bonds

Answer 8

a 1,6 glycosidic

Question 9

glycogen phosphorylase cleaves

Answer 9

a 1,4 linkages

Question 10

glucantransferase

Answer 10

exposes a 1,6 branch points

Question 11

amylo-a1,6 glucosidase cleaves

Answer 11

a 1,6 linkages

Question 12

starch contains _____ and ______

Answer 12

amylase and amylopectin

Question 13

amylopectin is (branched/unbranched)

Answer 13

branched a1,6

Question 14

amylase is (branched/unbranched)

Answer 14

helical, unbranched

Question 15

used to determine GFR

Answer 15

inulin - homopolymer of fructose

Question 16

most abundant GAG

Answer 16

chondroitin sulfate

Question 17

homopolymer of b-d-glucopyranose

Answer 17

cellulose

Question 18

from where are glycolipids derived

Answer 18

ceramide

Question 19

location of von ebner’s glands

Answer 19

circumvallate papillae of tongue

serous secretion

Question 20

parotid gland secretion

Answer 20

serous

Question 21

sublingual gland secretion

Answer 21

mucous

Question 22

submandibular gland secretion

Answer 22

mixed

Question 23

Vitamine C is needed for

Answer 23

lysine and proline hydroxylation for collagen formation

Question 24

tropocollagen

Answer 24

endopeptidases cleave N and C terminal ends on procollagen&raquo_space; tropocollagen

molecules cross link to make collagen fibrils

Question 25

what part of collagen synthesis occurs in rER

Answer 25

a- chain synthesis | proline + lysine hydroxylation > hydroxyproline + hydroxylysine

Question 26

what part of collagen synthesis occurs in golgi?

Answer 26

a-chain glycosylation > procollagen

Question 27

longest known protein

Answer 27

tropocollagen

Question 28

where is tropocollagen found?

Answer 28

all collagen and reticular fibers except thymus

Question 29

T/F? Hydroxyproline and hydroxylysine are found in most proteins

Answer 29

false; making them a good estimate of collagen content

Question 30

desmosine

Answer 30

cross links fibers of tropoelastin

Question 31

4 lipid types

Answer 31

eicosanoids triglycerides phospholipids steroids

Question 32

betaine

Answer 32

used by kidney to control water balance

Question 33

betaine precursor

Answer 33

choline