Khan Academy
Khan Academy: Mitochondria and Chloroplasts
Resource takes a look at the structure and function of the organelles mitochondria and chloroplasts. It also examines endosymbiosis, where the organelles probably came from.
CK-12 Foundation
Ck 12: Phospholipid Bilayers
[Free Registration/Login may be required to access all resource tools.] Tutorial describes the detailed structure and function of the plasma membrane, explains semipermeability, and summarizes the structure of a phospholipid.
CK-12 Foundation
Ck 12: Membrane Proteins
[Free Registration/Login may be required to access all resource tools.] Activity explores proteins in the plasma membrane describing their structure and function. The Fluid Mosaic Model is also summarized.
CK-12 Foundation
Ck 12: Biology: Human Egg Cells
[Free Registration/Login may be required to access all resource tools.] Describes how eggs are produced.
CK-12 Foundation
Ck 12: Biology: Lymphatic System
[Free Registration/Login may be required to access all resource tools.] Covers the role of the lymphatic system in the immune response.
Other
Psbc: Introduction to Hematology
This well-illustrated overview of blood biology examines the development and function of each of the different types of blood cells. Features include an assessment test.
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.
CK-12 Foundation
Ck 12: Biology: Female Reproductive System Study Guide
This comprehensive study guide covers the main terms and concepts needed for a unit on the female reproductive system.
BiologyWise
Biology Wise: Structure and Function of a Casparian Strip
The Casparian strip is found in the endodermis layer of a plant's roots and it assists the plant in absorbing water and nutrients from the soil. The structure of a plant root is described and the process by which the Casparian strip...
Other
University of Cincinnati: Dna Structure and Function
This site explores the history and the science of DNA. Content also examines and considers the possibilities of genetic engineering and mutation.
BiologyWise
Biology Wise: Chromosomes vs. Chromatids: What You Need to Know
Explains what chromosomes are, how chromatids are related to them, and how they function together during cell division.
Texas Instruments
Texas Instruments: Cell Sheet App
Students use the CellSheet App to enter data and text in cells, create cell formulas and use built-in functions. Student explore the utility of this App in science classes, such as Chemistry and Biology. They calculate the molarity of a...
Estrella Mountain Community College
Online Biology Book: Protein Synthesis
Learn about a major function of cells, protein synthesis. Find out about the process in which cells manufacture this biochemical compound.
Oak Ridge National Laboratory
Human Genome Project: Project Information
This site provides from the Human Genome Project provides basic information on the Human Genome Project. Among the items discussed is how genome sequencing is done, as well as information about the genome and proteome.
CK-12 Foundation
Ck 12: Blood
[Free Registration/Login may be required to access all resource tools.] In this interactive tutorial students will learn to explain how the heart pumps blood throughout the body. Students will explain the composition of blood and will...
National Health Museum
Access Excellence: Graphics Gallery of Biotechnology
This site provides simple diagrams on all major topics in cell biology, genetics and biotechnology.
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.
University of Arizona
University of Arizona: Cytoskeleton Tutorial
In this interactive tutorial you will discover that the cytoskeleton is both a muscle and a skeleton, and is responsible for cell movement, cytokinesis, and the organization of the organelles within the cell.
CK-12 Foundation
Ck 12: Life Science: Human Digestive System
[Free Registration/Login may be required to access all resource tools.] Nutrients in the foods you eat are needed by the cells of your body. How do the nutrients in foods get to your body cells? What organs and processes break down the...
CK-12 Foundation
Ck 12: Life Science: Human Sperm
[Free Registration/Login may be required to access all resource tools.] Sperm, the male reproductive cells, are tiny. In fact, they are the smallest cells in the human body. Some people think that they look like tadpoles. Learn more...
Other
Endoplasmic Reticulum
This site provides information on the schematic and electron micrograph of endoplasmic reticulum function of both smooth and rough endoplasmic reticulum.
BiologyWise
Biology Wise: The Function of Nadh and Fadh2 in Cellular Respiration
Explains what the coenzymes NADH and FADH2 are and the roles they play in cellular energy production and respiration.
CK-12 Foundation
Ck 12: Life Science: Organization of the Human Body
[Free Registration/Login may be required to access all resource tools.] Cells, like these nerve cells, do not work in isolation. To send orders from your brain to your legs, for example, signals pass through many nerve cells. These cells...
TED Talks
Ted: Ted Ed: Making Sense of How Life Fits Together
Bobbi Seleski catalogs biology from our body and beyond, tracking how unicellular organisms, tissues, organs, organ systems, organisms, populations, communities, ecosystems, and our biosphere build off of each other and work together....