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BIOL 1441-030 Wed 11:00 – 12:50 LS 200 BIOL 1441-033 Thu 3:00 – 4:50 LS 207

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BIOL 1441-030 Wed 11:00 – 12:50 LS 200 BIOL 1441-033 Thu 3:00 – 4:50 LS 207 BIOL 1441-037 Fri 11:00 – 12:50 LS 200 Heath Blackmon LS 459 Office Hours: 10:30-12:00 Tue and Thu [email protected] Macromolecules.

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BIOL 1441-030 Wed 11:00 – 12:50 LS 200

BIOL 1441-033 Thu 3:00 – 4:50 LS 207

BIOL 1441-037 Fri 11:00 – 12:50 LS 200

Heath Blackmon

LS 459

Office Hours:

10:30-12:00 Tue and Thu

[email protected]

slide2
Macromolecules

Diverse molecules that serve a variety of purposes in living organisms

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Carbohydrates
  • Made of Carbon, Hydrogen, Oxygen
  • Monosaccharide
    • Glucose, fructose, ribose
  • Disaccharide
    • Lactose, Sucrose
  • Polysaccharide
    • “Many Sugars”
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Carbohydrates
  • Polysaccharides
    • Starch
      • Glucose storage
    • Glycogen
      • Glucose storage
    • Cellulose
      • structural
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Carbohydrates
  • How do you break up large sugars?
    • Hydrolysis
      • With use of enzymes, break down complex starches to glucose, in presence of water.
      • Ex: Seed growth, beer production
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Lipids
  • Made of Carbon and Hydrogen
  • Insoluble in water
  • Ex: Oils, fats
    • Found in plants and animals
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Proteins
  • Made of tightly bound Amino Acids
    • Peptide bonds
  • Structure
    • Primary
    • Secondary
    • Tertiary
    • Quaternary
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Tests to be performed today

Sugar, Starch, Lipid, Protein

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Sugar Test
  • Benedict’s Reagent
    • Glucose vs. Sucrose
    • Tests for presence of simple sugars (monosacchride)
    • Record results
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Starch Test
  • Iodine Reagent (iodine potassium iodide)
    • Mix with potato starch in test tube
    • Record results
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Hydrolysis
  • Breaking up sugars with water and acid
  • Test samples with Benedict's test and Iodine test
  • Record results
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Lipid Test
  • Brown Paper test
  • Record Results
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Protein Test
  • Biuret reagent – protein indicator
  • Albumin – Egg protein
  • Record Results
slide17
Macromolecules in Food
  • Separation of Butter
    • Lipid Layer and Protein Layer of butter
    • Perform tests on the two layers and regular butter
  • Tests with food
    • Perform the tests on Banana, Coconut, Milk, Peanut, and Potato
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Lab Manual 52-75

Conversions and Scientific Notation

Difference between a monosachride and disachride

Monosachrides are simple sugars

Disachrides have two simple sugars joined together

Carbohydrates are long chains of sugars

An example of a way that we use macromolecules:

Lipids – cell membranes

Proteins – enzymes (hemoglobin)

Carbohydrates – energy storage

Nucleic Acids – DNA

Lab Manual pp 52-75

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