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Review ofOrganic Molecules

Lipids

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Fatty acids & triglycerides

3

Fig. 2-17 Phospholipids

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Fig. 2-16 Steroids

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Fig. 2-14 Prostaglandins

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Organic Molecules

Carbohydrates

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Glucose

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Formation of complex carbohydrates

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Structure of a polysaccharide

10

Organic Molecules

Proteins

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Proteins are composed of long chains of amino acids.

• What is an amino acid????

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13

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15

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Peptide Bond

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ProteinStructure

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ProteinStructure

Let’s take a closer look at this sub-unit.

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Show the primary, secondary and tertiary

structure of this protein. Why is there

no quaternary structure?

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What bonds hold the first three levels of structure together?

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Enzyme Action

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What makes up the active

site of this protein?

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What is responsible for maintaining the structure of this

active site?

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What has happened to the active site? What caused this to happen?