Khan Academy
Khan Academy: Biology: Structure of a Cell: Introduction to Cells
Learn about cell theory in this article. [12:29]
CK-12 Foundation
Ck 12: Cell Biology
[Free Registration/Login may be required to access all resource tools.] Cells make up all living things but not all cells look alike. This activity introduces cells, cell theory, and the levels of organization in organisms.
CK-12 Foundation
Ck 12: Common Parts of the Cell 1
[Free Registration/Login may be required to access all resource tools.] Online activity summarizes the cell theory, describes four parts all cells have in common, and the importance of the work of Robert Hooke and Anton van Leeuwenhoek.
CK-12 Foundation
Ck 12: Life Science: 2.3 Cell Theory
Learn about the cell theory and levels of organization in a multicellular organism.
CPALMS
Florida State University Cpalms: Florida Students: The Cell Theory
Learn how the Cell Theory defines living organisms.
City University of New York
Exploring Life@bi Odot Edu: Cell Theory
Essay on the history of our knowledge of cells and the development of the cell theory.
BioMan Biology
Bio Man Biology: Cell Quizzes
Two multiple-choice quizzes about cells. The first is on cell theory, basic information about cells, and cell types. The second is on cell structures and functions.
Georgia Department of Education
Ga Virtual Learning: Anatomy and Physiology: Cells
In this module, students discover how each cell is organized to complete the function of producing and transporting proteins, and how cells relate to homeostasis of the body.
CK-12 Foundation
Ck 12: Cell Biology
[Free Registration/Login may be required to access all resource tools.] Read grade-level texts, complete activities, and take assessments about cell biology.
CK-12 Foundation
Ck 12: Life Science: Cell Biology
[Free Registration/Login may be required to access all resource tools.] A cell is the smallest structural and functional unit of an organism. Learn more about cell biology in this learning module produced by CK-12.
CK-12 Foundation
Ck 12: Biology: Scientific Theories
[Free Registration/Login may be required to access all resource tools.] Explains scientific theories and introduces several famous theories in biology.
CK-12 Foundation
Ck 12: Biology: Common Parts of the Cell
[Free Registration/Login may be required to access all resource tools.] Describes four parts all cells have in common.
CK-12 Foundation
Ck 12: Biology: Cell Biology
[Free Registration/Login may be required to access all resource tools.] Introduces cells, cell theory, and the levels of organization in organisms.
Estrella Mountain Community College
Online Biology Book: Cells: Origins
Through full-color images and concise information, learn about the origin of cells. Discover some of the notable studies surrounding the history of life on Earth.
University of Utah
University of Utah: Genetic Science Learning Center: The Evolution of the Cell
Learn about the endosymbiotic theory. This theory explains the evolution of cells from a mitochondria and chloroplast working together in a symbiotic relationship to the current cell structure.
McGraw Hill
Glencoe Biology: Cell Discovery and Theory: Self Check Quiz
Take this self-checking, five question quiz over the discovery of cells and cell theory.
CK-12 Foundation
Ck 12: Biology: Principles of Biology
[Free Registration/Login may be required to access all resource tools.] Covers four unifying principles of biology: cell theory, gene theory, homeostasis, and evolutionary theory.
CK-12 Foundation
Ck 12: Principles of Biology
[Free Registration/Login may be required to access all resource tools.] Explains the four principles that unify biology - cell theory, gene theory, homeostasis, and evolution.
Famous Scientists
Famous Scientists: Theodor Schwann
Learn about German Physiologist, Theodor Schwann, one of the scientists who helped develop the cell theory.
Cold Spring Harbor Laboratory
Dna From the Beginning: Higher Cells Have Ancient Dna
Eukaryotic cells have separate DNA from mitochondria and chloroplasts which indicates that they were once primitive cells on their own. This multimedia article includes animations, pictures, video, biographical information, and quiz...
CK-12 Foundation
Ck 12: Organization of Cells
[Free Registration/Login may be required to access all resource tools.] Discusses how cells are organized in living things and explains the origin and significance of multicellular organisms.
ClassFlow
Class Flow: Cell Presentation
[Free Registration/Login Required] This Flipchart will go over the basic parts of a cell.
CK-12 Foundation
Ck 12: Biology: Organization of Cells
[Free Registration/Login may be required to access all resource tools.] Learn how multicelled organisms have specialized cells that do specific jobs and single celled organisms exist without the help of other cells.
Other
Miami University: Cellular Nature of Life?
Basic information about cells in an outline form. Gives good information in an abbreviated format.
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