Week 4.2: Organic Macromolecules Lab
Nicole Houchins
Created on September 11, 2024
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Organic Macromolecules Lab
Welcome to Week 4!
- Watch Lecture 4 and complete the discussion post
- Week 4 Content Quiz is now open
- Exam 1 information has been posted!
- Lecture assignments are due on Sunday, 9/15 at 11:59pm
Lecture Reminders
- Post-lab quiz is due on Sunday, 9/15 at 11:59pm
Lab Reminders
Objectives
- Identify the 4 types of macromolecules and their monomers
- Identify the structure and functional groups of each of the macromolecules
- Describe how living things use each of the macromolecules
- Explain how the shape of a molecule affects its function
- Describe how macromolecules are formed and broken apart and into what kind of monomers
- Closed-toe shoes
- Goggles
- Gloves
Week 4: Organic Macromolecules Lab
1. Biuret TestMacromolecule?
Week 4: Organic Macromolecules Lab
1. Biuret TestMacromolecule?
- Detects proteins
- Detects the peptide bond
Week 4: Organic Macromolecules Lab
Week 4: Organic Macromolecules Lab
1. Biuret TestMacromolecule?
- Detects proteins
- Detects the peptide bond
- Negative - blue
- Positive - purple
Week 4: Organic Macromolecules Lab
2. Iodine TestMacromolecule?
Week 4: Organic Macromolecules Lab
2. Iodine TestMacromolecule?
- Detects unbranched polysaccharides
Week 4: Organic Macromolecules Lab
2. Iodine TestMacromolecule?
- Detects unbranched polysaccharides
- Negative - yellow
- Positive - black
Week 4: Organic Macromolecules Lab
3. Benedict's Test (No HCl)Macromolecule?
Week 4: Organic Macromolecules Lab
3. Benedict's Test (No HCl)Macromolecule?
- Detects monosaccharides
- Detects the carbonyl group in the sugar
Week 4: Organic Macromolecules Lab
3. Benedict's Test (No HCl)Macromolecule?
- Detects monosaccharides
- Detects the carbonyl group in the sugar
- Negative - blue
- Positive - red
Week 4: Organic Macromolecules Lab
4. Benedict's Test (With HCl)Macromolecule?
Week 4: Organic Macromolecules Lab
4. Benedict's Test (With HCl)Macromolecule?
- Detects disaccharides
- HCl breaks the bond between the two sugars
- Detects the carbonyl group in each sugar
Week 4: Organic Macromolecules Lab
4. Benedict's Test (With HCl)Macromolecule?
- Detects disaccharides
- HCl breaks the bond between the two sugars
- Detects the carbonyl group in each sugar
- Negative - blue
- Positive - red
- For the rest of class, finish up the lab (Parts 2 and 3).
Week 4: Organic Macromolecules Lab