🧬AP Biology

AP Biology Unit 1 Review - Chemistry of Life
Microevolution & Natural Selection
Hardy-Weinberg
Macroevolution
Biochemistry Review - Unit 1 Biology
Origins of Life
Cellular Structure & Transport
Cellular Structure & Transport - Slides
Cellular Respiration - Slides
Cellular Respiration
Cell Signaling
Cell Signaling - Slides
Photosynthesis
Photosynthesis - Slides
Abiotic Signaling
DNA Replication
Gene to Protein
Gene Regulation
Mitosis & Meiosis
Mendelian Genetics
Chi Square Analysis
Non-Mendelian Genetics & Pedigrees
Bacteria & Viruses
Biotechnology
Immune System
Nervous System
Endocrine System
Population Ecology
Community Ecology
Nutrient Cycles & Succession
Review Part I: Evolution
Review Part II: Cells & Energy Transfer
Review Part III: Cell Division & DNA to Protein
Review Part IV: Heredity & Body Systems
Review Part V: Ecology
Exam Review
🌶 Big Ideas 1-2 Review
🌶 Big Ideas 3-4 Review
🌶 Last Minute AP Bio Tips & Tricks
Intro to AP Biology
Intro to Unit 1 for Teachers
Structure of Water and Hydrogen Bonding
Elements of Life
Introduction to Biological Macromolecules
Chemistry Review for Biology Students
Chemistry Review for Biology Students - Slides
Properties of Biological Macromolecules
Nucleic Acids
AP Biology Unit 1
Review of Unit 1 Part 2
Review of Unit 1 Part 2 - Slides
Cell Structure: Subcellular Components
Cell Structure and Function
Overview of the AP Biology Exam with an Example FRQ for Unit 1
Back to Basics: Cells
Cell Size
Plasma Membranes
Membrane Permeability
Membrane Transport
Facilitated Diffusion
Mechanisms of Transport
Tonicity and Osmoregulation
Cell Compartmentalization and Its Origin
Review of Unit 2
Enzyme Structure
Enzyme Catalysis
Photosynthesis
Environmental Impacts on Enzyme Function
Cellular Respiration
Cell Communication
Review of Unit 3
Cram Review (2019)
Feedback Mechanisms and the Cell Cycle
Meiosis and an Intro to Heredity
Mendelian and Non-Mendelian Genetics and Chi Square
DNA Replication, Transcription, and Translation
Gene Expression, Cell Specialization, and Mutations
Microevolution and Hardy Weinberg
Q and A
Extinction, Variation in Populations, and the Origins of Life
Q and A
Cellular Energy
Presentation Slides, Cellular Energy
Dialysis Tubing Lab Review
Transformation Lab
Body Systems
Enzyme Catalysis
Q and A
🎉NMSI AP Reader Chat: Biology
Structure and Function of Biological Macromolecules
Glossary
Practice Quizzes
Score Calculator

🧬ap biology review

Cell Size

Verified for the 2025 AP Biology exam•Last Updated on September 30, 2019

Kari Parnin

Kari Parnin

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Host Kari Parnin dives into the tiny world of cells seeking to understand: why cells are small, how surface area to volume ratio influences cell function, and how specialized cell structures are seen in nature to increase cell efficiency.

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Resources
Cram ModeAP Score CalculatorsStudy GuidesPractice QuizzesGlossaryCrisis Text LineRequest a Feature
© 2025 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.
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Plasma Membranes