KINE 2011 Lecture Notes - Lecture 3: Dietary Fiber, Unsaturated Fat, Celery
26 May 2016
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Lecture 3 5/13/2016 4:35:00 PM
Organic molecules:
- consist of 4:
• Carbs
• Lipids
• Proteins
• Nucleic acids
Carbs;
- consist of sugars, starches, glycogen, cellulose ( think celery)
-*human can digest starch to make energy but they can not digest cellulose
although both come from plants
- cant break cellulose cuz our bodies don’t have enzymes that can break it
- function:
• provides energy ( glycolysis)
• store energy
• dietary fibre
• provide carbon atom used in synthesis of other molecules
- glycogen is used to temporary store energy
Lipids:
-all insoluble in water
- non polar
- have structural roles in forming some of our membranes/cells
- liquid lipid at room temp will have unsaturated fat ; hyrdrophobic
molecules
- cholesterol sit b/w…..
-cholesterol dissolves right past your plasma membrane
Proteins:
-the shape of protein tells us what function its going to perform
-primary structure refers to order of amino acid (AA)
- order of amino acid is written down from amino end to carboxyl end
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