Macromolecules Lab Results

Slides:



Advertisements
Similar presentations
Testing Macromolecules
Advertisements

IDENTIFYING MACROMOLECULES IN FOOD LAB
Macromolecules Standard Qualitative Tests and Testing Your Own Food.
Chemical Tests for Glucose, Starch, Proteins and Fats.
Testing for Macromolecules
Chemical Tests for Nutrients
IDENTIFYING MACROMOLECULES IN Nutrient LAB
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.
DO NOW How can muscle cells maintain (or keep) a high concentration of potassium inside the cell? If a cell increases or decreases in volume, what type.
Unknown Foods: Macromolecule Lab Chapter 2: Carbohydrates, Lipids, and Proteins.
Lugol’s Iodine Place a sample of the food in distilled water in a test tube. Add 3 drops of Lugol’s iodine in each test tube. Agitate sample and mix thoroughly.
Biochemistry Indicators. What is an indicator? Indicator- chemical that produces a characteristics color when a particular substance is present Standards-
Activity Food Testing By: Mahi.
IDENTIFYING MACROMOLECULES IN FOOD LAB
Lab – Identifying food nutrients WRITE THIS DOWN- MEMORIZE IT.
Experiment Questions Food Tests.
Unit 4. Macromolecules.
Organic Compounds Lab Procedure.
Biology Ms. Haut. 1. Add 1 ml (10 drops) of Benedict’s solution to the test tube. 2. Add 8 drops of sample solution to a test tube. 3. Heat the mixture.
IDENTIFYING MACROMOLECULES IN FOOD LAB
IDENTIFYING MACROMOLECULES IN FOOD LAB
IDENTIFYING MACROMOLECULES IN FOOD LAB. Introduction Carbohydrates, proteins, and fats are all essential nutrients. We cannot manufacture these nutrients.
 Test for simple (reducing) sugars  Benedict’s is blue  Put test substance in a test tube with distilled water and a few drops of Benedict’s  Heat.
F OOD C HEMISTRY Applied to a biology class in the macromolecules section.
IDENTIFYING MACROMOLECULES IN FOOD LAB
IDENTIFYING MACROMOLECULES IN FOOD LAB
IDENTIFYING MACROMOLECULES IN Nutrients LAB
IDENTIFYING MACROMOLECULES IN FOOD LAB Eva Becker, Hamilton High School Biology Adapted from Madison Southern High School.
In this lab, you will 1. Learn the names of specific indicators 2. Learn the what a specific indicator test for 3. Be introduced to three organic compounds,
Turn in your Do Now to the front
Testing for Organic Macromolecules. What are Macromolecules? Large molecules made of smaller molecules Or Small molecules Or Macromolecule.
Table of Contents. Agenda Class Business –Test rewrites due today! IF YOU GOT A 28 OR LOWER THEY ARE MANDATORY! –Building macromolecules review ?s are.
Testing for Biological Macromolecules
IDENTIFYING MACROMOLECULES. Indicators In this lab, you will use indicators as chemical detection tool. Indicator- something that can be used to show.
IDENTIFYING MACROMOLECULES IN FOOD LAB
How to detect macromolecules in food
Identifying Macromolecules
Bell Work List the 4 major macromolecules and the monomers for each
LAB: Macromolecule Virtual Lab
IDENTIFYING MACROMOLECULES IN FOOD LAB
Classify each as a carbohydrate, protein or lipid.
Starter What is the function of the digestive system?
Biomolecule Identification “Lab”
IDENTIFYING MACROMOLECULES IN FOOD LAB
Food Groups Tests.
IDENTIFYING MACROMOLECULES IN FOOD LAB
Macromolecules Lab Biology.
Organic Molecules.
Macromolecule Tests Will a potato turn dark purple with an iodine starch test? Starch Test -Iodine is used to test for starch -Dark purple/blue or black.
IDENTIFYING MACROMOLECULES IN FOOD LAB
Biomolecule Identification “Lab”
Identifying Macromolecules in Food
Testing for Organic Compounds
Macromolecule Testing
Bell Work List the 4 major macromolecules and the monomers for each
Diffusion Through the Membrane
Food tests: Required Practical 4
Macromolecules Analysis Lab
Tests for Organic Compounds
Macromolecule Tests INB Pg 27.
Classify each as a carbohydrate, protein or lipid.
Macromolecules Analysis Lab
LAB 3 ENZYMATIC DIGESTION.
IDENTIFYING MACROMOLECULES IN FOOD LAB
Classify each as a carbohydrate, protein or lipid.
Lipid Test - Brown Paper
Laboratory 1 – Food Testing
IDENTIFYING MACROMOLECULES IN FOOD LAB
23 / 03 Thursday Kaupapa: Test for the presence of starch by using iodine solution Test for the presence of glucose by using Benedict’s solution.
Presentation transcript:

Macromolecules Lab Results

Table 1 Macromolecule Chemical Test Used (look over lab procedures for chemical test) Positive Test Result Negative Test Result (water) Lipids (Cooking Oil) (drop method)   Circle #2 Residue stain present Circle #1 No residue stain present (Sudan III method) Test Tube #2 Dark Red precipitates (“blobs”) separated from rest of liquid Test Tube #1 Liquid turns uniform pale red Proteins (Albumin - Egg White Powder) Test tube #2 Liquid turns dark purple Test tube #1 liquid turns pale blue Carbohydrates— Glucose (Syrup) Liquid in test tube is Sea-green/ green Liquid in test tube is blue Carbohydrates— Starch (Cracker) Test tube #5 Liquid turns black/ dark purple Test tube #4 Liquid turns pale yellow

Test for Lipids (Sudan) Table 2- period 4 Test for Lipids (Drop) Test for Lipids (Sudan) Test for Proteins Test for Glucose Test for Starch Observations: Circle#3 Stomach content stained the paper. Observations: Circle #3 Multiple lipids were found during our testing. We know this because we found multiple colors within our samples. Observations: Bubble #3 The stomach content was foggy and slightly green Observations: Test Tube 3 there was no change in color Observations: Bubble #6 The stomach content turned purple when the iodine was introduced. Present? yes Present? Present? Yes Not Present? Not Present? Not Present This should be not present

Test for Lipids (Sudan) Table 2- period 5 Test for Lipids (Drop) Test for Lipids (Sudan) Test for Proteins Test for Glucose Test for Starch Observations: Circle#3 The water didn’t leave a stain. While, there was for cooking oil. For the stomach contents there was a presence of a stain. Observations: Circle #3 The water was solid pink. The lipid solution was patchy with pink and so was the stomach contents. Observations: Bubble #3 The water didn’t change. The protein had a purple tint to it. The stomach acid didn’t change. Observations: Test Tube 3 Ombre Blue Green Observations: Bubble #6 After adding the iodine solution to the water it became a tinted yellow. When iodine was added to the starch it turned into a purplish color. When the iodine solution was added to the stomach solution it became purple with tints of the color of the stomach solution. Present? yes Present? Yes Present? Present? no Not Present? Not Present? yes

Test for Lipids (Sudan) Table 2- period 6 Test for Lipids (Drop) Test for Lipids (Sudan) Test for Proteins Test for Glucose Test for Starch Observations: Circle#3 When drops were added to the different circles, Circle 3 (stomach contents) was not as transparent as Circle 2 (cooking oil). Lipids were not present in the stomach:D Observations: Circle #3 After the drops of Sudan lll was added to the sample, the stomach resembled the oil (lipid solution.) The sample formed concertrationas and layer of red Observations: Bubble #3 No reaction, no color change because there was no protein;D Observations: Test Tube 3 No Recation or color change in any test-tube. Observations: Bubble #6 Stomach contents and Starch turned purple when iodine was added.-_- Present? Present? yes Present? Yes XD Not Present? this one__ Not Present? Not Present? check Not Present? Not Present Focus on this result for lipids

Test for Lipids (Sudan) Table 2- period 7 Test for Lipids (Drop) Test for Lipids (Sudan) Test for Proteins Test for Glucose Test for Starch Observations: Circle#3 There was a presence of lipids because there was a residue left in circle three. Observations: Circle #3 Red Spots Observations: Bubble #3 The stomach solution and the Biurets solution mixed but the stomach solution sat on top of Biurets. The solution also stayed blue and didn’t change to purple. Observations: Test Tube 3 The water test had no color change, the glucose test changed the original from dark blue to the heated light blue, and the stomach acids changed from dark blue to a seafoam green. Observations: Bubble #6 The color turned from white to purple. Present? yes Present? no Present? yes Not Present? Not Present? yes