KINE 1020 Lecture Notes - Lecture 3: Adenosine Triphosphate, Phosphate, Lipid Bilayer
12 Jan 2017
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Lecture 3, energy metabolism & bioenergetics, january 11th. We get energy from three main sources: carbohydrates, fat, proteins. These substrates are broken down in cells and are then stores as energy, usually in the form of glycogen. Bioenergetics is the conversion of these substrates using chemical pathways in the cells into energy. Carbohydrates and fats can be used structurally too, in things like making the phospholipid bilayer of cells. Metabolism refers to the all the chemical reactions that go on in the body. Bioenergetics: making atp, and using utilizing that atp to do work, atp is also used to power many enzymes and pumps to perform cellular processes. When something ends in ase like atp-ase you know it is an enzyme. Thermodynamics: tells us that energy can never be created or destroyed, it can only be transferred, different types of energy include, thermal (heat, chemical, mechanical, electrical, radiant, atomic/nuclear.
