ChemistryChapter 15: Biochemistry
Living Chemistry
Biochemistry
Definition
Biochemistry is the study of chemical substances and reactions that occur in living organisms.
Formula / Key Relation
Important biological molecules include: carbohydrates; proteins; lipids; nucleic acids; vitamins; minerals; water. The complete set of chemical reactions occurring in a living organism is called metabolism*. Metabolism: `catabolism + anabolism` Catabolism: `complex molecules → simpler molecules` Anabolism: `simpler molecules → complex molecules`
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Review the key facts, formulas and checks before you move on.Living Chemistry
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LIVING CHEMISTRY
- BIOCHEMISTRY
- ↓
- Chemical reactions in life
- Metabolism:
- CATABOLISM → breaks down
- ANABOLISM → builds up
- Enzymes control reactions
60-second revision
- Biochemistry studies chemicals and reactions in living systems, and metabolism includes both breakdown and building reactions.
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