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...
CK-12 Foundation
Ck 12: Unit 4: Vocabulary
[Free Registration/Login may be required to access all resource tools.] Lists vocabulary terms associated with the cell cycle.
ClassFlow
Class Flow: Cellular Respiration
[Free Registration/Login Required] This is a comprehensive, engaging overview of catabolic pathways that yield energy by oxidizing organic fuel. Students explore redox reactions, oxidation, reduction, and preview the stages of cellular...
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....
BiologyWise
Biology Wise: The Smooth Endoplasmic Reticulum and Its Function
The difference between the smooth and the rough endoplasmic reticula is described, as well as the functions of the smooth endoplasmic reticulum. These functions include the synthesis of carbohydrates and lipids, protein transport, and...
Other
Department of Biophysics & Biophysical Chemistry
Johns Hopkins University School of Medicine site detailing ongoing research in Biophysics & Biophysical Chemistry. The site has links to courses, seminars, faculty, graduate studies, and general information.
Soft Schools
Soft Schools: Molecules of Life Quiz
Take an interactive quiz over the molecules of life. After completing the quiz, check your score, and then revisit any incorrect question for further review.
Soft Schools
Soft Schools: More Molecules of Life/biochemistry Quiz
Take this interactive, multiple-choice quiz over the organic molecules important to life, then review your score and any missed questions at the end.
Soft Schools
Soft Schools: Cellular Functions of Organic Compounds Quiz
Take an interactive quiz over organic compounds. After completing the quiz, check your score, and then revisit any incorrect question for further review.
Khan Academy
Khan Academy: Nucleus and Ribosomes
Discussion in detail of the structure and function of the nucleus and ribosomes of a cell and how they work together in the production of proteins.
CK-12 Foundation
Ck 12: Influenza
[Free Registration/Login may be required to access all resource tools.] Tutorial covers the 1918 Spanish Flu pandemic as a vehicle to look at viruses and disease, as well as the use of modern biological tools to improve human health....
CK-12 Foundation
Ck 12: Nucleic Acids
[Free Registration/Login may be required to access all resource tools.] Online activity covers the structure and function of nucleic acids. Students will learn about nucleotides, the different types of nitrogenous bases, and the...
CK-12 Foundation
Ck 12: Glucose and Atp
[Free Registration/Login may be required to access all resource tools.] Students take a look at glucose and ATP. They will be able to explain the structure of ATP and will learn how ATP is a source of energy for a cell.
Wikimedia
Wikipedia: Exocytosis
This site from the Wikipedia Encyclopedia describes the process of exocytosis and what is accomplished by the process. Throughout this brief article, links are provided for additional information on the subject.
Khan Academy
Khan Academy: Genetic Variation in Prokaryotes
Study the mechanisms that generate variation in prokaryote populations. Also learn about transduction, transformation, conjugation, as well as transposable elements.