370 likes | 387 Views
Macromolecules. Chapter 2 Section 3. Carbon Hydrogen Oxygen Nitrogen Phosphorus Sulfur Next to each write down the # of valence e’s & how many bonds each one can form. What are the 6 elements most common to living things?. Carbon forms the backbone of macromolecules Why?
E N D
Macromolecules Chapter 2 Section 3
Carbon • Hydrogen • Oxygen • Nitrogen • Phosphorus • Sulfur Next to each write down the # of valence e’s & how many bonds each one can form. What are the 6 elements most common to living things?
Carbon forms the backbone of macromolecules • Why? • 4 valence electrons 4 bonds • Forms long chains Carbon
Macromolecules • Carbohydrates • Lipids • Proteins • Nucleic Acids
Indicator • Iodine is an indicator for carbohydrates! • Bread Demo
Macromolecules • Carbohydrates • Lipids • Proteins • Nucleic Acids
Count the C,H,O! Write down the ratio!
Macromolecules • Carbohydrates • Lipids • Proteins • Nucleic Acids
Peptide Bond Bond between acid and amino group in a protein
Macromolecules • Carbohydrates • Lipids • Proteins • Nucleic Acids