Organisation and the Digestive system

Question 1

substrate

Answer 1

the substance an enzyme combines with

Question 2

active site

Answer 2

the part of an enzyme with a unique shape to which the substrate fits

Question 3

denatured

Answer 3

the change in shape of an active site resulting in the substrate no longer fitting in the active site, may occur because the temperature or pH changes in the environment

Question 4

gland

Answer 4

a tissue which makes and releases other chemicals e.g. enzymes, hormones and HCI

Question 5

test for starch

Answer 5

• iodine
  -orange to blue/black

Question 6

test for fats/oils

Answer 6

• ethanol
  -cloudy white/ emulsion

Question 7

test for sugar

Answer 7

• benedicts solution
  -blue to brick red

Question 8

test for protein

Answer 8

-biruets
-pale blue to violent

Question 9

amylase location

Answer 9

salivary glands, pancreas, small intestine

Question 10

amylase function

Answer 10

breaks starch into maltose

Question 11

protease location

Answer 11

stomach, pancreas, small intestine

Question 12

protease function

Answer 12

break proteins into amino acids

Question 13

lipase location

Answer 13

pancreas, small intestine

Question 14

lipase function

Answer 14

breaks lipase into fatty acids and glycerol