University of California
Ucmp: Cyanobacteria
General information on the cyanobacteria, the blue-green algae and the features that make them different from prokaryotic bacteria. Also included are pages that point to more specific info, like life history and fossil records.
Georgia Department of Education
Ga Virtual Learning: Ap Biology: Cell Biology
An interactive module where students take a closer look at cells and relate their structure to function. They also discover how cell organelles work in systems to maintain important biological processes and how cells communicate.
BiologyWise
Biology Wise: Multicellular vs. Unicellular Organisms
Describes the characteristics of unicellular and multicellular organisms and gives examples for each.
BiologyWise
Biology Wise: Three Domains of Life
Describes the characteristics of Archaea, Bacteria, and Eukarya, the three domains of life.
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.
BBC
Bbc: Gcse Bitesize: Cell Structure
This lesson focuses on bacteria cells including their structures and functions, cell structures in common with bacteria, plants and animals, and a comparison between Eukaryotic and prokaryotic cells. It also provides links to a video and...
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.
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.
Alabama Learning Exchange
Alex: Inside the Cell
In this lesson, students learn the different kinds of cells including plant and animal cells. They also learn how to identify and name the organelles of eukaryotic cells.
Sophia Learning
Sophia: Cell Introduction
This lesson will introduce the cell's structure and function.
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...
Soft Schools
Soft Schools: Classification of Organisms Quiz
Take an interactive quiz over the classification of living things. After completing the quiz, check your score, and then revisit any incorrect question for further review.
BiologyWise
Biology Wise: 7 Major Steps of Dna Replication
Explains the structure of DNA and the seven steps that take place during DNA replication. Includes a labeled illustration for each step.
CK-12 Foundation
Ck 12: Life Science: Timeline of Evolution
[Free Registration/Login may be required to access all resource tools.] For life to evolve from simple single-celled organisms to many millions of species of prokaryotic species to simple eukaryotic species to all the protists, fungi,...
Other
The Domains and Kingdoms of Life
This site is a description of the history behind the 5 Kingdom system suggested by Robert Whittaker. An extensive list of resources is included.
BiologyWise
Biology Wise: Information About Animal Cells
Explains the differences between eukaryotic and prokaryotic cells and presents a diverse set of facts about animal cells.
BiologyWise
Biology Wise: Unicellular Organisms
A unicellular organism is made of only a single cell. Its characteristics are described and several examples are provided.
BiologyWise
Biology Wise: Cytoplasm: The Functions of the Building Blocks of Life
Describes what cytoplasm is and its functions in regulating cellular processes.
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.
McGraw Hill
Mc Graw Hill: Control of Gene Expression Quiz
Take this 32 question quiz on control of gene expression. The quiz is multiple choice.
CK-12 Foundation
Ck 12: Biology: Regulation of Gene Expression Study Guide
Review how the human body regulates gene expression.