MCAT Biological and Biochemical Foundations of Living Systems Flashcards: 2a Plasma Membrane Fluid Mosaic

Study 2a Plasma Membrane Fluid Mosaic in MCAT Biological and Biochemical Foundations of Living Systems with focused flashcards that help you recognize the idea, recall the key rule, and apply it in practice-style prompts.

QUESTION

What is an integral (transmembrane) membrane protein?

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ANSWER

Protein embedded in bilayer, often spanning it. These proteins integrate deeply into the lipid bilayer through hydrophobic domains, often traversing it to connect intracellular and extracellular environments.

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MCAT Biological and Biochemical Foundations of Living Systems: Foundational Concept 2: Cells and Cellular Organization

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What this deck covers

This deck focuses on 2a Plasma Membrane Fluid Mosaic, giving you a quick way to review the definitions, rules, and examples that matter most for MCAT Biological and Biochemical Foundations of Living Systems.

How to use these flashcards

Work through these flashcards in short sessions. Try to answer each prompt before flipping the card, then revisit any cards you miss until the explanation feels automatic.

Practice questions

1 of 45Practice questions for this set
A toxin inserts into the outer leaflet of the plasma membrane and crosslinks neighboring phospholipid head groups without directly binding proteins. Shortly after exposure, FRAP of a labeled transmembrane protein shows reduced lateral recovery. Under the fluid mosaic model, which explanation is most consistent?
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