Post on 11-Jan-2016
Chemical Digestion
Ms. LowrieBiology 11
Enzymes
Biological catalysts Made in ribosomes = proteins
Three types in digestion: Carbohydrase Lipase Protease
Named after organic compound they breakdown
Review – Organic Compounds
Carbohydrates: Polysaccharides/starch are composed of …
Simple sugars (monosaccharides)
Proteins are composed of … Amino acids
Lipids are composed of … Fatty acids & glycerol
Complete (pg 210 – 218)
EnzymeProduced
byPlace ofreaction
Breaks down…
Into…
Salivaryamylase
Salivary glands
Pepsin Stomach
Lipase Pancreas
Pancreatic
amylasePancreas
Trypsin &
Erepsin
Pancreas & Small
Intestine
Chart
EnzymeProduced
byPlace ofreaction
Breaks down…
Into…
Salivaryamylase
Salivary glands
MouthStarch
(Polysaccharides)
Disaccharides
Pepsin Stomach
Lipase Pancreas
Pancreatic
amylasePancreas
Trypsin &
Erepsin
Pancreas & Small
Intestine
Chart
EnzymeProduced
byPlace ofreaction
Breaks down…
Into…
Salivaryamylase
Salivary glands
Mouth Starch Disaccharides
Pepsin Stomach StomachLong amino acid chains
Short amino acid chains
Lipase Pancreas
Pancreatic
amylasePancreas
Trypsin &
Erepsin
Pancreas & Small
Intestine
Chart
EnzymeProduced
byPlace ofreaction
Breaks down…
Into…
Salivaryamylase
Salivary glands
Mouth Starch Disaccharides
Pepsin Stomach StomachLong amino acid chains
Short amino acid chains
Lipase PancreasSmall
IntestinesFat droplets
Glycerol & Fatty acids
Pancreatic
amylasePancreas
Trypsin &
Erepsin
Pancreas & Small
Intestine
Chart
EnzymeProduced
byPlace ofreaction
Breaks down…
Into…
Salivaryamylase
Salivary glands
Mouth Starch Disaccharides
Pepsin Stomach StomachLong amino acid chains
Short amino acid chains
Lipase PancreasSmall
IntestineFat droplets
Glycerol & Fatty acids
Pancreatic
amylasePancreas
Small Intestine
Disaccharides
Simple sugars
Trypsin &
Erepsin
Pancreas & Small
Intestine
Chart
EnzymeProduced
byPlace ofreaction
Breaks down…
Into…
Salivaryamylase
Salivary glands
Mouth Starch Disaccharides
Pepsin Stomach StomachLong amino acid chains
Short amino acid chains
Lipase PancreasSmall
IntestineFat droplets
Glycerol & Fatty acids
Pancreatic
amylasePancreas
Small Intestine
Disaccharides Simple sugars
Trypsin &
Erepsin
Pancreas & Small
Intestine
Small Intestine
Short amino acid chains
Amino acids
Why is bile not included?
Not chemical digestion Chemical bonds aren’t broken
Mechanical digestion Fat is made smaller Broken into smaller
fat droplets
Review – Starch (Carbs)
Starch (polysaccharides)
by: salivary amylase
Disaccharides
by: pancreatic amylase
Simple Sugar
diffuses into …
Capillary
Review – Fat
Fat
by: bile (mechanical)
Fat Droplets
by: lipase
Fatty acids & Glycerol
diffuses into …
Lacteal
Review – Protein
Protein (long a.a. chains)
by: pepsin
Short a.a. chains
by: trypsin & erepsin
Amino Acids
diffuses into …
Capillary
LipasePancreatic amylaseTrypsinErepsin
Bile