digestive system

Question 1

Main function of the Gl Tract?

Answer 1

It takes in large particles of food (polymers)

Makes them smaller (digestion)

Smallest molecules (monomers) are absorbed

Waste (non-absörbable matter) is eliminated

Question 2

sucrose

Answer 2

sugar cane disaccharide of glucose and fructose

Question 3

fructose

Answer 3

monosaccharide - goes to liver to make glucose and glycogen

Question 4

Lactose

Answer 4

in SI becomes glucose and galactose (monomer of glucose, goes to liver)

Question 5

Gastro-Intestinal (Gl) tract

Answer 5

the alimentary tract exists to break down large particles and molecules of food into smallest molecules which can be absorbed.

Question 6

digestion 2 major activities

Answer 6

mechanical - teeth, churning by muscles,

chemicals - enzymes, bile

Question 7

saliva

Answer 7

key enzyme

salivary amylase

ph 6.35 7.0

lingual lipase

Question 8

salivary amylase

Answer 8

Enzyme that commences its activity in the mouth

Activated (in mouth) to break down starch

Question 9

lingual lipase

Answer 9

Enzyme that stays neutral in the mouth

Activated when it enters the stomach and works to digest fat.