Biology › Section B · Biological macromolecules › Topic B.1
Building macromolecules
Life's four great molecule families - carbohydrates, lipids, proteins, nucleic acids - are all built the same way: small units clicked together with water as the leftover. One reaction builds, its mirror image dismantles, and enzymes run both machines.
In this topic
- Monomers, polymers, and SPONCH
- Dehydration synthesis: building by removing water
- Hydrolysis: splitting with water
- Enzymes run both machines
- Worked example: tracking the water
- Worked example: hydrolysis at breakfast
- Same monomers, different polymers
- Primordial evidence: Miller and Urey
- Common mistakes to avoid
- Key takeaways
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