CHEMICAL DIGESTION-CH9 ENZYMES

Question 1

WHAT DOES THE SALIVARY GLANDS DO?

Answer 1

SECRETES A FLUID THAT BREAKS DOWN STARCH MOLECULES INTO SMALLER MOLECULES

Question 2

WHAT ENZYME DOES GASTRIC JUICE CONTAIN AND WHAT DOES IT DO?

Answer 2

PEPSIN

-BREAKS DOWN PROTEINS INTO POLYPEPTIDE

Question 3

WHAT ARE THE 4 ENZYMES IN THE PANCREATIC JUICE AND WHAT DO THEY DO?

Answer 3

• AMYLASE=STARCH INTO DISACCHARIDES
• PROTEASE=PROTEINS/POLYPEPTIDES INTO PEPTIDES
• LIPASES=LIPIDS INTO FATTY ACIDS/GLYCEROL
• NUCLEASES=DIGESTS DNA & RNA

Question 4

WHAT ARE THE 3 ENZYMES IN THE INTESTINAL JUICE AND WHAT DO THEY DO?

Answer 4

• AMYLASES=DISACCHARIDES INTO SIMPLE SUGARS
• PEPTIDASES=PEPTIDES INTO AMINO ACIDS
• LIPASES= LIPIDS INTO FATTY ACIDS/GLYCEROL

Question 5

WHAT DOES BILE SALT DO AND WHY?

Answer 5

BREAKS FAT INTO DROPLETS TO INCREASE SURFACE AREA SO LIPASES CAN BREAK DOWN FAT

Question 6

3 SALIVARY GLANDS

Answer 6

• MUCUS
• DIGESTION ENZYME
• SALIVARY AMYLASE