ap biology - facilitated diffusion
originally streamed in 2019 with Caroline KoffkeTeachercurriculum note
This video references an older AP Biology exam format with 6 free response questions (reduced from 8), which has since been updated. The current 2024 AP Biology exam has a different FRQ structure ā see the Exam Skills unit for up-to-date guidance.
covered in this stream
timestamps
- 0:00
Welcome and Session Overview
- 0:36
Upcoming Topics Preview
- 1:07
Plasma Membrane Review
- 1:39
Social Media and Streams
- 2:09
Mechanisms of Transport
- 2:40
Agenda and Importance
- 3:42
Plasma Membrane Structure
- 4:44
Glycoproteins and Communication
- 5:45
Transport Mechanisms Focus
- 7:17
Phospholipid Bilayer Details
- 8:18
Hydrophilic Heads Explained
- 8:50
Hydrophobic Tails Role
- 10:53
Simple Diffusion Molecules
- 12:27
Concentration Gradients
- 14:00
Gradient Analogy
- 15:02
Types of Transport
- 17:06
Glucose Transport Example
- 18:39
Facilitated Diffusion Definition
- 20:44
Aquaporins and Water
- 21:46
Tonicity Scenarios
- 23:50
Sodium Potassium Channels
- 24:53
Resting Neuron State
- 26:27
Action Potential Process
- 28:00
Sodium Potassium Pump
- 30:36
Questions and Review
- 32:41
FRQ Example Analysis
- 35:14
Antibody Ineffectiveness
- 36:48
FRQ Practice Advice
- 37:49
Session Wrap-Up
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