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HL A2.1 Protobionts and Compartmentalization

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Total cards: 3•Content version: v3•Public deck•Updated: 8/1/2026

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#1
Front (Question)

What are protobionts?

Back (Answer)

Non-living, cell-like structures enclosed by lipid membranes containing organic molecules.

#2
Front (Question)

Lipi membane strucutre

Back (Answer)

Fatty acids self-assemble in water into bilayers due to hydrophilic heads and hydrophobic tails.

#3
Front (Question)

Why was compartmentalization important?

Back (Answer)

It allowed separation of reactions, increased efficiency, and internal stability.