HUMB1000 Lecture Notes - Cellular Respiration, Chemical Energy, Active Transport
The total of all chemical process that occur in the body
Metabolism includes
Energy-releasing process
•
Where large molecules broken down to smaller molecules
•
Catabolism
Energy-requiring process
•
Where small molecules joined to form larger molecules
•
Anabolism
Metabolism
Thursday, 5 April 2018
12:54 PM
Cellular Respiration Page 1
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Chemical bonds made, energy stored in the bonds
Responsible for growth, maintenance and repair
Produce chemicals characteristic of life: carbohydrates, proteins,
lipids, and nucleic acids
Two or more reactants chemically combine to form a new and larger
product
Anabolism
Thursday, 5 April 2018
12:58 PM
Cellular Respiration Page 2
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Chemical bonds broken, energy released
Energy in carbohydrates, lipids, proteins is used to produce
energy which drives anabolic reactions,
Eg: active cell membrane transport, muscle contraction, protein
synthesis
A large reactant is broken down to form smaller products
Catabolism
Thursday, 5 April 2018
1:00 PM
Cellular Respiration Page 3
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Document Summary
The total of all chemical process that occur in the body. Where large molecules broken down to smaller molecules. Where small molecules joined to form larger molecules. Two or more reactants chemically combine to form a new and larger product. Chemical bonds made, energy stored in the bonds. Produce chemicals characteristic of life: carbohydrates, proteins, lipids, and nucleic acids. A large reactant is broken down to form smaller products. Energy in carbohydrates, lipids, proteins is used to produce energy which drives anabolic reactions, Eg: active cell membrane transport, muscle contraction, protein synthesis. Energy that is actually doing work and moving matter. Conservation of energy= total e(cid:374)ergy of the u(cid:374)i(cid:448)erse is (cid:272)o(cid:374)sta(cid:374)t, (cid:272)a(cid:374)"t (cid:271)e (cid:272)reated or destroyed. But energy can be converted from one type to another. There is a large amount of energy stored in the chemical bonds of nutrients. When nutrients (e. g. glucose) are broken down, energy is released.