Vision Learning
Visionlearning: Cell Biology: Membrane Bound Organelles
Evidence in support of endosymbiosis to show the evolution of organelles within cells.
Enchanted Learning
Enchanted Learning: Plant Cell: Animal Cell Anatomy
This is a thorough site which contains a glossary of plant/animal cell anatomy terms. Diagrams of both cells are included along with worksheets to label.
National Institutes of Health
National Institute of General Medical Sciences: Inside the Cell
Very good science e-book that details why cells are the fundamental unit of life and why our health depends on what happens within the many different cells that make up our body. Each chapter is presented separately and the book can also...
Florida State University
Florida State University: Plant Cell Structure
This site features a clear picture of the plant cell with a concise explanation of its key parts and their functions.
![Biology Mad: Structure and Function of the Cell [Pdf] Handout](https://d15y2dacu3jp90.cloudfront.net/images/attachment_defaults/resource/large/FPO-knovation.png "Biology Mad: Structure and Function of the Cell [Pdf] Handout")
Other
Biology Mad: Structure and Function of the Cell [Pdf]
This 11-page Biology course handout gives a detailed explanation of cell structure, supplemented by many illustrations.
University of Arizona
University of Arizona Biology Project: Cell Biology
In-depth information on all stages of cell biology as well as lesson ideas, tutorial diagrams, and online labs.
Khan Academy
Khan Academy: Introduction to Cell Signaling
This article examines the basic principles of how cells communicate with one another using different kinds of short- and long-range signaling.
BiologyWise
Biology Wise: A Labeled Diagram of the Animal Cell and Its Organelles
The parts of an animal cell are presented with descriptions of each of its organelles.
BiologyWise
Biology Wise: Functions of a Centrosome and Its Role in Cell Division
Discusses the discovery of centrosomes, their important role in mitosis in animal cells, and their other functions.
BiologyWise
Biology Wise: Mitochondria: Understanding Its Structure and Functions
The parts and functions of the mitochondria are described as well as the many illnesses that can result from mitochondrial dysfunction.
Sophia Learning
Sophia: Cells: The Structural and Functional Units of Life
An illustrated presentation introducing the structure and function of the cell, including the two different types of cells: prokaryotic and eukaryotic.
BiologyWise
Biology Wise: Tips on How to Make a Plant Cell Model
Describes the steps for making a model of a plant cell in two different ways. The first way uses mostly sweet foods and the second way uses a shoebox, clay, and simple materials.
Khan Academy
Khan Academy: Ligands & Receptors
Article looks at different types of receptors and ligands, seeing how they interact to turn information from outside the cell into a change inside the cell.
BiologyWise
Biology Wise: Facts About Cytoplasm
Describes the composition of cytoplasm, its functions, the cell organelles suspended in it and what their functions are, and lots of other information about this vital cell component.
City University of New York
The World of Cells: Mitochondria
Check this out if you want only the basic information on structure and function of mitochondria. It is accurate, but not too detailed.
OpenStax
Open Stax: Cellular Differentiation
The process of cellular differentiation leads cells to assume their final morphology and physiology - learn here all about this process.
BiologyWise
Biology Wise: Functions of the Plasma Membrane
Describes the structure and functions of a cell membrane.
BiologyWise
Biology Wise: Mitochondrial Function
Describes the structure and functions of the mitochondria.
City University of New York
The World of Cells: Golgi Apparatus
A very brief explanation of the structure and function of this organelle.
Khan Academy
Khan Academy: Response to a Signal
Article takes a look at examples of the different ways cells can change their behavior in response to a signal at both the "micro" and "macro" levels.
University of California
Tetrahymena as a Unicellular Model Organism
Information on Tetrahymena thermophila and why it is an important unicellular organism.
University of Arizona
Biology Project: Cell Cycle and Mitosis Tutorial: Dna Basics
Tutorial on DNA basics that goes along with an online quiz over the material. Use the naviagation buttons at the bottom of the page to go to the quiz over the material.
OpenStax
Open Stax: Anatomy and Physiology: Male Reproductive System
Students learn about the structure and function of the organs of the male reproductive system.
BiologyWise
Biology Wise: Process of Spermatogenesis Explained
Describes how sperm cells are formed through the process of spermatogenesis and some factors that can negatively affect sperm formation.