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ap biology - membrane permeability

originally streamed in 2020 with Kari ParninTeacher
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Learn how cell membrane permeability works in this AP Biology review session with Kari Parnin. We'll break down phospholipid structure, the fluid mosaic model, membrane proteins, and selective permeability—perfect for Unit 2 exam prep. This session ...more

covered in this stream

units
Unit 2 – Cell Structure and Function
topics
Plasma MembranesMembrane Permeability2.4 Membrane Permeability2.5 Membrane TransportThe Fluid Mosaic Model

timestamps

  • 0:00

    Welcome and Check-In

  • 2:14

    Membrane Permeability Overview

  • 3:16

    AP Biology Learning Tips

  • 5:48

    Horizontal vs Vertical Learning

  • 7:54

    Current Units in Class

  • 9:26

    Learning Objectives Review

  • 10:29

    Cell Needs and Resources

  • 13:05

    Cell Membrane Basics

  • 13:36

    Cell Walls and Structure

  • 16:13

    Hydrophilic Heads Explained

  • 17:47

    Phospholipid Structure Details

  • 20:55

    Fluid Mosaic Model

  • 23:33

    Membrane Components Labeling

  • 25:10

    Cellular Recognition Tags

  • 27:45

    Peripheral and Integral Proteins

  • 29:50

    Cholesterol in Membranes

  • 31:57

    Channel Proteins and Ions

  • 35:03

    Selectively Permeable Function

  • 39:49

    Water and Aquaporins

  • 41:54

    Molecule Transport Summary

  • 43:28

    True or False Quiz

  • 44:30

    Fluid Mosaic FRQ Practice

  • 48:09

    Phospholipid-Only Membrane FRQ

  • 50:45

    Upcoming Topics Preview

  • 51:48

    Closing and Goodbye

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Company

What's New?PricingBulk DiscountsTestimonialsFAQsEmail us

Resources

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history

🌎 ap world history🇺🇸 ap us history🇪🇺 ap european history

social science

✊🏿 ap african american studies🗳️ ap comparative government🚜 ap human geography💶 ap macroeconomics🤑 ap microeconomics🧠 ap psychology👩🏾‍⚖️ ap us government

english & capstone

✍🏽 ap english language📚 ap english literature🔍 ap research💬 ap seminar

arts

🎨 ap art & design🖼️ ap art history🎵 ap music theory

science

🧬 ap biology🧪 ap chemistry♻️ ap environmental science🎡 ap physics 1🧲 ap physics 2💡 ap physics c: e&m⚙️ ap physics c: mechanics

math & computer science

🧮 ap calculus ab♾️ ap calculus bc📐 ap precalculus📊 ap statistics💻 ap computer science a⌨️ ap computer science p

world languages

🇨🇳 ap chinese🇫🇷 ap french🇩🇪 ap german🇮🇹 ap italian🇯🇵 ap japanese🏛️ ap latin🇪🇸 ap spanish language💃🏽 ap spanish literature

career kickstart

💼 ap business with personal finance🔒 ap cybersecurity

go beyond AP

high school exams

✏️ PSAT🎓 Digital SAT🎒 ACT

honors classes

🍬 honors algebra II🫀 honors anatomy🐇 honors biology👩🏽‍🔬 honors chemistry💲 honors economics📐 honors geometry⚾️ honors physics📏 honors pre-calculus📊 honors statistics🗳️ honors us government🇺🇸 honors us history🌎 honors world history

college classes

👩🏽‍🎤 arts👔 business🎤 communications🏗️ engineering📓 humanities➗ math🧑🏽‍🔬 science💶 social science

hs classes

🏛️ alabama history⛰️ appalachian studies🌴 california history🌍 earth science🌐 ethnic studies🐊 florida history🍑 georgia history🌎 global studies🌺 hawaiian studies📰 journalism🪶 native american studies🌵 new mexico history🤠 oklahoma history⚗️ physical science🎙️ speech and debate🤝 texas government🤠 texas history🌲 washington state history🕊️ world religions
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© 2026 Fiveable Inc. All rights reserved.

AP® and SAT® are trademarks registered by the College Board, which is not affiliated with, and does not endorse this website.