Glossary 1.7

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The glossary provides definitions and explanations of key terms and concepts essential to understand the topic in the lesson. Be sure to familiarize yourself with each term before attempting the lesson glossary quiz.

Browse the glossary using this index

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S

Simple diffusion

the ability of small and non-polar substances to move across a membrane unassisted.

Sterol

a type of steroid with an OH group at one end and a non-polar hydrocarbon chain at the other