chemical digestion ms. lowrie biology 11. enzymes biological catalysts made in ribosomes =...

14
Chemical Digestion Ms. Lowrie Biology 11

Upload: eugene-clement-williamson

Post on 11-Jan-2016

213 views

Category:

Documents


0 download

TRANSCRIPT

Page 1: Chemical Digestion Ms. Lowrie Biology 11. Enzymes  Biological catalysts  Made in ribosomes = proteins  Three types in digestion: Carbohydrase Lipase

Chemical Digestion

Ms. LowrieBiology 11

Page 2: Chemical Digestion Ms. Lowrie Biology 11. Enzymes  Biological catalysts  Made in ribosomes = proteins  Three types in digestion: Carbohydrase Lipase

Enzymes

Biological catalysts Made in ribosomes = proteins

Three types in digestion: Carbohydrase Lipase Protease

Named after organic compound they breakdown

Page 3: Chemical Digestion Ms. Lowrie Biology 11. Enzymes  Biological catalysts  Made in ribosomes = proteins  Three types in digestion: Carbohydrase Lipase

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

Page 4: Chemical Digestion Ms. Lowrie Biology 11. Enzymes  Biological catalysts  Made in ribosomes = proteins  Three types in digestion: Carbohydrase Lipase

Complete (pg 210 – 218)

EnzymeProduced

byPlace ofreaction

Breaks down…

Into…

Salivaryamylase

Salivary glands

Pepsin Stomach

Lipase Pancreas

Pancreatic

amylasePancreas

Trypsin &

Erepsin

Pancreas & Small

Intestine

Page 5: Chemical Digestion Ms. Lowrie Biology 11. Enzymes  Biological catalysts  Made in ribosomes = proteins  Three types in digestion: Carbohydrase Lipase

Chart

EnzymeProduced

byPlace ofreaction

Breaks down…

Into…

Salivaryamylase

Salivary glands

MouthStarch

(Polysaccharides)

Disaccharides

Pepsin Stomach

Lipase Pancreas

Pancreatic

amylasePancreas

Trypsin &

Erepsin

Pancreas & Small

Intestine

Page 6: Chemical Digestion Ms. Lowrie Biology 11. Enzymes  Biological catalysts  Made in ribosomes = proteins  Three types in digestion: Carbohydrase Lipase

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

Page 7: Chemical Digestion Ms. Lowrie Biology 11. Enzymes  Biological catalysts  Made in ribosomes = proteins  Three types in digestion: Carbohydrase Lipase

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

Page 8: Chemical Digestion Ms. Lowrie Biology 11. Enzymes  Biological catalysts  Made in ribosomes = proteins  Three types in digestion: Carbohydrase Lipase

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

Page 9: Chemical Digestion Ms. Lowrie Biology 11. Enzymes  Biological catalysts  Made in ribosomes = proteins  Three types in digestion: Carbohydrase Lipase

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

Page 10: Chemical Digestion Ms. Lowrie Biology 11. Enzymes  Biological catalysts  Made in ribosomes = proteins  Three types in digestion: Carbohydrase Lipase

Why is bile not included?

Not chemical digestion Chemical bonds aren’t broken

Mechanical digestion Fat is made smaller Broken into smaller

fat droplets

Page 11: Chemical Digestion Ms. Lowrie Biology 11. Enzymes  Biological catalysts  Made in ribosomes = proteins  Three types in digestion: Carbohydrase Lipase

Review – Starch (Carbs)

Starch (polysaccharides)

by: salivary amylase

Disaccharides

by: pancreatic amylase

Simple Sugar

diffuses into …

Capillary

Page 12: Chemical Digestion Ms. Lowrie Biology 11. Enzymes  Biological catalysts  Made in ribosomes = proteins  Three types in digestion: Carbohydrase Lipase

Review – Fat

Fat

by: bile (mechanical)

Fat Droplets

by: lipase

Fatty acids & Glycerol

diffuses into …

Lacteal

Page 13: Chemical Digestion Ms. Lowrie Biology 11. Enzymes  Biological catalysts  Made in ribosomes = proteins  Three types in digestion: Carbohydrase Lipase

Review – Protein

Protein (long a.a. chains)

by: pepsin

Short a.a. chains

by: trypsin & erepsin

Amino Acids

diffuses into …

Capillary

Page 14: Chemical Digestion Ms. Lowrie Biology 11. Enzymes  Biological catalysts  Made in ribosomes = proteins  Three types in digestion: Carbohydrase Lipase

LipasePancreatic amylaseTrypsinErepsin

Bile