Add to your vocab sheet & Correct Inv. 4.4. Proteins or Polypeptides Examples Nuts, meat (muscle), beans Uses Muscle, hair, nails, skin, enzymes Made.

Slides:

Advertisements

Similar presentations

Structure and Function of Macromolecules

Advertisements

Dehydration Synthesis (Condensation Reaction) Hydrolysis

Carbohydrates Short Term Energy Monosaccharide Disaccharide

Dehydration Synthesis (Condensation Reaction) Hydrolysis

PH Scale: a standard measurement of the concentration of hydrogen ions (H + ) in a solution (0-14)  Neutral solutions: pH of 7 (H 2 O)  Acidic solutions:

Macromolecules Standard Qualitative Tests and Testing Your Own Food.

Agenda Turn in Pre-lab #4: biomolecules Lab Quiz #3 (pH)

1. All living organisms are composed of four classes of macromolecules:  Carbohydrates  Lipids  Proteins  Nucleic acid 2.

Question of the Day What does a positive test for a monosaccharide look like? What does a positive test for a polysaccharide look like? A positive test.

What Influences Enzyme Activity? Presented by Deb Semmler St. Joseph’s High School

HONORS BIOLOGY Testing Macromolecules

Turn in lab from yesterday into the bin

Unit #7 – Biological Molecules: What are the building blocks of life?

NAME: __________________________ Carbons with different elements join to make ____MACROMOLECULES__ “Organic” means a molecule contains __Carbon_________.

Biochemistry Study guide Key.

Unit #2 – Biological Molecules: What are the building blocks of life?

Unit 4. Macromolecules.

Organic Compounds Lab Procedure.

Organic vs. Inorganic Inorganic lack a carbon-hydrogen combination

Molecules of Life. Elements of Life Carbon - C Hydrogen - H Oxygen - O Nitrogen - N Phosphorous – P Sulfur - S.

Starter Activity: Write down as much as you can on a show me board about making proteins.

NAME: __________________________ Carbons with different elements join to make _______________________ “Organic” means a molecule contains _______________.

NAME: __________________________ Carbons with different elements join to make _______________________ “Organic” means a molecule contains _______________.

Organic Molecules Objective 2.01:

Most Common Elements in Living Things 1.Carbon - C 2.Hydrogen - H 3.Oxygen - O 4.Nitrogen - N Make up 95% of your body weight Organic Compounds – Have.

MACROMOLECULES Of LIFE You are what you eat!. Why Do We Eat?  For energy  For nutrients  For pleasure? NUTRIENTS: needed by all organisms for 1. __________.

Do Now What are the functions of these macromolecules: 1.Carbohydrates (polysaccharides) 2.Lipids 3.Proteins 4.Nucleic Acids.

Physical, chemical and cellular basis of life.. Contain carbon Molecules of living things Make up all living things  Examples: Humans, Trees, Bees, Fungi,

Review Question One category of organic compounds contains molecules composed of long hydrocarbon chains. The hydrocarbon chains may be saturated or unsaturated.

Enzymes are a Special Type of Protein Enzymes are a type of catalyst, which is a substance that speeds up the rate of a chemical reaction. Enzymes are.

CHEMICALS OF LIFE (NUTRIENTS). . NUTRIENTS: needed by all organisms for 1. __________ and 2. ______________ energy building blocks ORGANIC VS. INORGANIC.

Biochemistry Review pg Carbohydrates C 1 H 2 O 1 (in monomers) Monosaccharides, disaccharides, polysaccharides Functions: energy, structure Starch,

Do Now. Do Now Answers N C L L C N C A P P Enzymes Proteins that catalyzes a chemical reaction.

The Chemistry of Life- Macromolecules (Nutrients).

Proteins A protein is a compound made of small carbon compounds called AMINO ACIDS There are 20 different kinds of AMINO ACIDS.

INVESTIGATING ENZYMES

ENZYMES *An enzyme is a molecule (usually a protein) that speeds up a specific chemical reaction in our body. Without the enzyme, the reaction typically.

Lesson #11: Enzymes in digestion

Carbohydrate Identification Lab

Nutrients of Life Unit 3. Key Questions 1. Why do organisms need/use nutrients? 2. What are organic vs. inorganic compounds? 3. What are some characteristics.

Organic Chemistry Carbohydrate Protein Lipid Nucleic Acid.

Biomolecules/Organic Molecules.  pH measures how acidic or basic a solution is  The pH scale ranges from 0 – 14 ◦ Less than 7.0 = ACIDIC ◦ More than.

Catalyst Pick up ALL work and put work into your folders Answer the following questions on a sticky note: 1.What is a protein? 2.What is the monomer of.

3.2 Molecules of Life 1.Carbohydrates 2.Proteins 3.Lipids 4.Nucleic Acids.

Carbohydrate Lab Background information. The importance of Carbohydrates in living things Primary energy source for living things –Plants- store carbohydrates.

Wake-up 1.What are the monomers of proteins? 1.What macromolecule is the only one that has the element Phosphorus? 1.Explain the term Biological Catalyst.

Carbohydrate Protein Organic Chemistry Nucleic Acid Lipid.

AIM: What are biomolecules?

LAB: Macromolecule Virtual Lab

(composed of carbon, hydrogen, oxygen in ration 1:2:1)

Chapter Organic Molecules.

Bellwork: Tue. Sept. 20, 2016 read the following

IDENTIFYING MACROMOLECULES IN FOOD LAB

Biochemistry Organic Chemistry.

Do Now What elements do you think are important for us to consume? Why?

Carbohydrates Lab.

Unit 1: Cellular Biology The Chemistry of Life (Nutrients)

Organic Compounds Chapter 6 section 3.

Bellwork: Fri. Sept 22, 2017 read the following

Testing For Macromolecules

Diffusion Through the Membrane

Digestive System Knowledge Organiser

(composed of carbon, hydrogen, oxygen in ration 1:2:1)

The most important protein?

Bellwork: Tues. Sept 25, 2018 read the following

Presentation transcript:

Add to your vocab sheet & Correct Inv. 4.4

Proteins or Polypeptides Examples Nuts, meat (muscle), beans Uses Muscle, hair, nails, skin, enzymes Made from Amino Acid chains (polypeptides) that can be thousands of amino acids long There are only 20 amino acids in nature! -peptide

Enzymes Large, complex proteins Help speed up the rate of chemical reaction (catalyst) –ase word ending (Lactase breaks down lactose) Activity varies with pH and temperature changes Can be denatured by extreme heat (shape is changed) Eg. Think about an egg before and after it’s cooked. The egg proteins are denatured as it cooks. Can be reused over and over again “Lock & Key” Model Active Site: attracts and holds only molecules that have the right shape Substrate: molecule that is changed by the enzyme – must have the right shape

Enzymes Video (click on it)

Example: Lactose Intolerance Lactose is a sugar found in most milk products Lactase is an enzyme that breaks down lactose People who are missing lactase (can no longer produce it) can’t eat lactose unless they get artificial lactase.

Example: Lactose Intolerance

Investigation 4.4 Review A monosaccharide turns Benedict’s solution from blue to orange after heating. A polysaccharide turns iodine from amber/ yellow to dark blue/black without heating. A disaccharide responds to neither Benedict’s nor iodine.

Table 4-1 Results of Tests with Known Carbohydrates Tube Number Carbohydrate Type Benedicts Color After Heating Iodine Color 1MonosaccharideOrangeAmber/ Yellow 2DisaccharideBlueAmber/ Yellow 3PolysaccharideBlueBlue/ Black

Table 4-2 Results of Tests with Unknown Carbohydrates CarbohydrateHypothesis (Mono-, Di-, or Poly-) Benedict’s Color After Heating Iodine Color Type of Carbohydrate (after testing) HoneyOrangeAmber/ Yellow Mono – (fructose & glucose) OatsBlueBlue/ BlackPoly- (starch) Table SugarBlueAmber/ Yellow Di- (sucrose) Apple JuiceOrangeAmber/ Yellow Mono- (fructose) Powdered Sugar BlueAmber/ Yellow Di- (sucrose) Maple SyrupYellow/ green Amber/ Yellow Mono- (fructose) some Di- (sucrose)

Investigation 4.5 You’ll be using the same testing methods as in lab 4.4 however you’ll do the lab in 3 Parts 1. Part A: Properties of Starch 2. Part B: Properties of Salivary Amylase (enzyme present in saliva – yes someone will be spitting, discreetly into a test tube!) 3. Part C: Properties of Starch Mixed with Salivary Amylase At each Part you’ll test with both Benedict’s (and heat) and iodine (no heat) and record your data.

SAFETY! No eating or drinking during the lab! Iodine and Benedict’s can stain and are both toxic! Wear aprons and goggles if you choose. If you are the generous saliva donor, you will be the only one to handle, and wash your test tubes!

Set up Part C – 1 st ! (it needs to sit for 15 minutes minimum!) READ the background info to help you with the DQ and Analysis Questions Quiz on both labs (open notes/open lab) Thursday!