Enzymes

Question 1

Oxido Reductases

Answer 1

Oxidation/reduction of substances

Question 2

Transferases

Answer 2

Transfer of functional groups

Question 3

Hydrolases

Answer 3

Cleavage of bonds with water

Question 4

Lyases

Answer 4

Cleavage of bond without water

Question 5

Isomerases

Answer 5

Rearrangements

Question 6

Function of Invertase

Answer 6

Turns sucrose into glucose and fructose

Question 7

Glucosidase

Answer 7

Invertase from glucose side

Question 8

Fructosidase

Answer 8

Invertase from fructose side

Question 9

Function of lactase

Answer 9

Turns lactose into glucose and galactose

Question 10

Benefits of lactase

Answer 10

Improvement of sweetening power, solubility and digestibility

Question 11

Alfa amylase role

Answer 11

Cleaves alfa 1,4 linkages

Question 12

Beta amylase role

Answer 12

Releases maltose from the non reducing end

Question 13

Glucoamylase role

Answer 13

Cleaves individual glucoses

Question 14

Iso amylase and pullulanase role

Answer 14

Cleave 1,6 linkages

Question 15

Cellobiohydrolase role

Answer 15

Releases 2 glucoses from a chain ed

Question 16

Endoglucanase

Answer 16

Cleaves random middle of chain

Question 17

Beta glucosidase and cellobiase

Answer 17

Fully degrade into glucose

Question 18

Polyglacaturonase

Answer 18

Cleaves middle of LM pectin

Question 19

Pectate lyase

Answer 19

Cleaves middle of LM pectin

Question 20

Pectin lyase

Answer 20

Cleaves HM pectin

Question 21

Effects of lipoxygenase

Answer 21

Loss of nutritional value, color and formation of aroma compounds

Question 22

Role of lipoxygenase

Answer 22

FA with cis cis 1-4 pentadiene into hydroperoxides

Question 23

Role of lipases

Answer 23

Hydrolysis of triglycerides into glycerol and fatty acids

Question 24

2 mechanisms catalyzed by PPO

Answer 24

Hydroxylation (adding OH group) and dehydrogenation (-OH to =O)