City University of New York
Exploring Life: The First Cells
A brief essay about older and more recent ideas on when the first cells evolved. Good coverage of different scientific theories about the origin of life.
Other
University of Cincinnati: Project Step: Antibiotics
STEM biology instructional activity where by designing their own antibiotics, students will gain an understanding of how the differences between prokaryotic cells and eukaryotic cells have played a role in their own health. They will...
BiologyWise
Biology Wise: Rough Endoplasmic Reticulum and Cell Metabolism
The characteristics of the rough endoplasmic reticulum are described and its role in protein synthesis, including creating proteins, folding them, transporting them, and checking them for quality.
CK-12 Foundation
Ck 12: Life Science: Animal Like Protists
[Free Registration/Login may be required to access all resource tools.] Animal-like protists are called protozoa. Protozoa are single-celled eukaryotes that share some traits with animals. Like animals, they can move, and they are...
Khan Academy
Khan Academy: Cellular Organelles and Structure
The resource from Khan Academy and the Association of American Medical Colleges provides study content for the MCAT. This resource discusses cellular organelles and cellular structure.
CK-12 Foundation
Ck 12: Earth Science: Evolution of Eukaryotes to Multicellular Life Study Guide
[Free Registration/Login may be required to access all resource tools.] Summarizes the key points about the evolution of eukaryotic cells into multicellular life forms. Includes a few questions to check for understanding.
CK-12 Foundation
Ck 12: Life Science: Cell Nucleus
[Free Registration/Login may be required to access all resource tools.] The nucleus is only found in eukaryotic cells. It contains most of the genetic material of the cell. It is surrounded by a double membrane, or nuclear envelope, that...
National Institute of Educational Technologies and Teacher Training (Spain)
Ministerio De Educacion: La Formas De Organizacion De La Vida
In this unit you will learn about the origin of the cells and their differences. It includes 15 interactive activities.
Florida State University
Florida State University: Plasma Membrane
Comprehensive description and graphic of plasma membrane of prokaryotic and eukaryotic cells.
Wikimedia
Wikipedia: Chloroplast
Wikipedia provides excellent information on chloroplasts, organelles found in plant cells and eukaryotic algae which conduct photosynthesis.
City University of New York
Brooklyn College: The World of Cells: Prokaryotic Cells
A very nice introduction to this group organized in a concise, easy to follow format.
City University of New York
The World of Cells: Nucleus
A good description of the structure and function of the nucleus.
University of Arizona
University of Arizona: Guia Sobre Procariontes, Eucariontes &Virus
This exercise is to introduce you to the kinds of cells that make up all living systems, and to contrast cells with viruses. At the end you can test your understanding of these topics by taking a short test.
Science Education Resource Center at Carleton College
Serc: It Takes Teamwork: How Endosymbiosis Changed Life on Earth
A tutorial on symbiotic relationships that explores the differences between prokaryotic and eukaryotic cells as well as the origins of eukaryotic organelles possibly being from endosymbiotic relationship. This tutorial also offers...
CK-12 Foundation
Ck 12: Biology: Mitosis and Cytokinesis
[Free Registration/Login may be required to access all resource tools.] A description of the stages of eukaryotic cell division.
BiologyWise
Biology Wise: The Smooth Endoplasmic Reticulum and Its Functions
The endoplasmic reticulum is found in eukaryotic cells. The characteristics and functions of the smooth endoplasmic reticulum are described and it is then compared with the rough endoplasmic reticulum.
BiologyWise
Biology Wise: Centriole Functions
Describes the structure and functions of centrioles within a cell.
BiologyWise
Biology Wise: Endoplasmic Reticulum Analogy
The endoplasmic reticulum is compared to a manufacturing plant with an assembly line to help students understand the functions of this important cell organelle.
University of California
Ucmp: Introduction to the Eukaryota
The huge diversity of the Eukaryota is described, including what has been preserved in fossils. The section, "More on Morphology", explains the biology of eukaryote cells in detail.
CK-12 Foundation
Ck 12: Life Science: Organelles
[Free Registration/Login may be required to access all resource tools.] All organelles are found in eukaryotic cells, while most are not found in prokaryotic cells. Learn more about organelles in this learning module produced by CK-12.
CK-12 Foundation
Ck 12: Biology: Prokaryote Structure
[Free Registration/Login may be required to access all resource tools.] Covers the common shapes and features of prokaryotic cells.
CK-12 Foundation
Ck 12: Biology: Protist Evolution
[Free Registration/Login may be required to access all resource tools.] Discusses how protists evolved from prokaryotic cells.
CK-12 Foundation
Ck 12: Life Science: Bacteria Characteristics
[Free Registration/Login may be required to access all resource tools.] Bacteria are the most successful organisms on the planet. They lived on this planet for two billion years before the first eukaryotes and, during that time, evolved...
