Unit 3: Biochemistry Part 1 Review Nutrition Organic Chemistry Enzymes

Lab 3-1: What is in the food you eat? Experimental Goals Indicator tests Positive and Negative Controls Biochemistry Goals Foods contain biochemical molecules Starch - energy storage molecule Protein - contains amino acids necessary for biosynthesis

Journal 3-1: Calculating Nutrients in Fast Foods Food contains Protein, Carbohydrates and Lipids Recommended intake Vitamins also found in foods

Organic Chemistry 4 main types Monomers Carbohydrates Lipids Proteins Nucleic acids (4th) Monomers Dehydration Synthesis Forms polymers, water produced Hydrolysis Water used, separates polymers Journal 3-2: Molecular Modeling Shape controls function

Journal 3-3: Protein Folding Shape controls function Protein shape is determined by… Amino acid sequence Variable group chemical property

Enzymes Enzymes are a type of protein Substrate Products Active Site Help carry out biochemical reactions Involved in chemical digestion Substrate Products Active Site

Journal 3-4: Enzyme Structure Function Substrate Product Sucrase Sucrose Fructose + Glucose Sucrose Glucose Fructose Sucrose Glucose Fructose Sucrase Sucrase Sucrase Sucrase

Lab 3-2: Enzyme Action Substrate Product Hydrogen Peroxide Catalase Hydrogen Peroxide Water and Oxygen Enzyme Function is affected by Temperature pH Surface Area

Lab 3-3: You are what you eat Digestion Saliva contains an enzyme that breaks down starch Biosynthesis Protein is a source of amino acids Amino acids are assembled into proteins in our cells Enzyme Substrate Product Amylase Starch Glucose

Digestive System Notes 11 structures Path of food through the digestive system Location of chemical and mechanical digestion Location of absorption

Journal 3-5: Digestive System Practice Digestive tract organs vs helper organs Location of digestion Proteins Carbohydrates Lipids Enzymes involved Amylase, Pepsin, Lipase, Sucrase, Lactase

Journal 3-6: Thiamin Deficiency Case Study Coenzymes affect enzyme function Coenzymes are often vitamins Vitamins are in the food we eat