CK-12 Foundation
Ck 12: Life Science: Cellular Respiration
[Free Registration/Login may be required to access all resource tools.] How does the food you eat provide energy? Through the process of cellular respiration, the energy in food is changed into energy that can be used by the body's...
CPALMS
Cpalms: Energy and Cellular Respiration
Learn how food is broken down to produce energy for cells in the in the form of ATP in this interactive tutorial.
McGraw Hill
Glencoe Biology: Cellular Respiration: Self Check Quiz
Five multiple-choice quiz questions covering cellular respiration. Students have the opportunity to check their answers after submitting their results.
Georgia Department of Education
Ga Virtual Learning: Biology: Cell Energetics
An interactive module where students describe, compare, contrast and explain the relationship between photosynthesis and cellular respiration.
TeachEngineering
Teach Engineering: Life Science
This unit covers the processes of photosynthesis, extinction, biomimicry and bioremediation. In the first lesson on photosynthesis, students learn how engineers use the natural process of photosynthesis as an exemplary model of a complex...
Macmillan Education
W.h. Freeman Publishing: Active Transport
Moving materials across the cell membrane sometimes requires energy, called active transport. This tutorial covers both primary and secondary active transport with good clear animations.
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...
Khan Academy
Khan Academy: Intro to Photosynthesis
Discussion of the conversion of light energy to chemical energy through the life-sustaining process of photosynthesis. Explores the reactions of photosynthesis, where they take place, and their ecological importance.
TeachEngineering
Teach Engineering: Photosynthesis Life's Primary Energy Source
This lesson covers the process of photosynthesis and the related plant cell functions of transpiration and cellular respiration. Students will learn how engineers can use the natural process of photosynthesis as an exemplary model of a...
Soft Schools
Soft Schools: Cellular and Molecular Biology : Cell Processes Quiz
Take this interactive, multiple-choice quiz over the biochemical processes of life, then review your score and any missed questions at the end.
Biology 4 kids
Biology4 Kids: Active Transport Energy to Transport
Find out about the cell process of active transport, and how it is carried out.
PBS
Pbs Learning Media: Mitochondria
Often referred to as the powerhouses of the cell, mitochondria provide the energy that powers nearly every cellular process. This essay by university lecturer John Ross describes in detail the structures and functions of these amazing...
TeachEngineering
Teach Engineering: What Do Bread and Beer Have in Common?
Students are presented with information that will allow them to recognize that yeasts are unicellular organisms that are useful to humans. In fact, their usefulness is derived from the contrast between the way yeast cells and human cells...
Sophia Learning
Sophia: Active Transport: Lesson 2
This lesson introduces the process of active transport, explaining that it is a form of transport that requires energy, and moves molecules against their concentration gradient. It is 2 of 4 in the series titled "Active Transport."
Sophia Learning
Sophia: Active Transport: Lesson 4
This lesson introduces the process of active transport, explaining that it is a form of transport that requires energy, and moves molecules against their concentration gradient. It is 4 of 4 in the series titled "Active Transport."
Sophia Learning
Sophia: Active Transport: Lesson 1
This lesson introduces the process of active transport, explaining that it is a form of transport that requires energy, and moves molecules against their concentration gradient. It is 1 of 4 in the series titled "Active Transport."
Estrella Mountain Community College
On Line Biology Book: Photosynthesis
A comprehensive delve into the many facets of photosynthesis. Text is supplemented with effective pictures and graphs. Review questions can be found at the end of the site.
Ohio State University
Ohio State University: Respiration
Informative text is clearly written and supported by good illustrations and charts as well. A quiz is also provided at the bottom of the site.
Khan Academy
Khan Academy: Prokaryote Metabolism
Learn how prokaryotes get energy and nutrients, and find out the difference among chemotrophs, phototrophs, heterotrophs and autotrophs.
Sophia Learning
Sophia: Enzymes Proteins That Pack a Punch!
Through a combination of slide show tutorials and a video demonstration, learn how enzymes work. [3:00]
Biology 4 kids
Biology4 Kids: Mitochondria Turning on the Powerhouse
A brief informational summary which describes the structure and function of mitochondria inside cells.
CK-12 Foundation
Ck 12: Life Science: Photosynthesis
[Free Registration/Login may be required to access all resource tools.] Plants are producers, which means they are able to make their own food, as well as "food" for other organisms. Plants are also autotrophs - they collect energy from...
Soft Schools
Soft Schools: Biochemistry and Organic Chemistry Quiz
Take an interactive quiz over biochemistry and organic chemistry. After completing the quiz, check your score, and then revisit any incorrect question for further review.
CK-12 Foundation
Ck 12: Physical Science: Biochemical Reaction Chemistry
[Free Registration/Login may be required to access all resource tools.] Definition of a biochemical reaction, the different types and the importance of enzymes in biochemical reactions.