Vision Learning
Visionlearning: Energy in Living Systems: Generation of Atp
Explanation of biochemical processes in cells during metabolism. Focus is on the generation of ATP.
Khan Academy
Khan Academy: Biology: Energy and Enzymes: Overview of Metabolism
An article reviewing how energy flows in a cell including metabolic pathways.
Estrella Mountain Community College
Online Biology Book: Chemistry I: Atoms and Molecules
In this online biology textbook, learn about atoms and molecules as they relate to life. Find out about topics such as electrons and energy, chemical bonding, and chemical reactions.
Ducksters
Ducksters: Biology for Kids: Cell Mitochondria
Study the mitochondria in the science of biology on this site. Find out how these tiny organelles inside cells produce energy for the rest of the cell through respiration.
Ducksters
Ducksters: Biology for Kids: Plant Cell Chloroplasts
Study the plant cell chloroplasts in the science of biology including their function, structure, and how they help make energy through the process of photosynthesis on this site.
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.
Macmillan Education
W.h. Freeman Publishing: Allosteric Regulation of Enzyme
Reactions in cells must be regulated and one way to do this is using allosteric molecules. These regulators can activate enzymes or inhibit them. This tutorial explains exactly how allosteric regulation works using words, narration, and...
CK-12 Foundation
Ck 12: Biology: Calvin Cycle
[Free Registration/Login may be required to access all resource tools.] Describes the Calvin cycle, the second stage of photosynthesis.
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.
Estrella Mountain Community College
Online Biology Book: Atp and Biological Energy
Through full-color images and concise information, learn about adenosine triphosphate, or ATP, the molecular unit of energy currency of cells.
Khan Academy
Khan Academy: Cellular Respiration Review
Review concepts covered in high school biology dealing with cellular respiration. Page includes vocabulary as well as charts to explain the process.
BiologyWise
Biology Wise: An Overview of the Difference Between Nadh and Nadph
NADH and NADPH are enzymes involved in cellular processes. Explains how NADH participates in catabolic reactions where energy is released and NADPH is involved in anabolic reactions where energy is consumed. Their functions and chemical...
BiologyWise
Biology Wise: The 7 Unmistakable Characteristics of Life
Describes the seven characteristics that define life - cells, homeostasis, heredity, use of energy, reproduction, response to environmental stimuli, and evolution and adaptation.
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.
Other
Dr. Saul: Biology in Motion
This interactive site provides animations and activities in several areas of physiology. The images are simple, but clear. The accompanying text provides a good description of the process being shown.
Khan Academy
Khan Academy: Prokaryote Metabolism
Learn how prokaryotes get energy and nutrients, and find out the difference among chemotrophs, phototrophs, heterotrophs and autotrophs.
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...
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.
Khan Academy
Khan Academy: Cellular Respiration
Test your knowledge of cellular respiration in this quiz made for high school biology students.
Science Education Resource Center at Carleton College
Serc: How Enzymes Work
In this biology lab, students use pineapple juice as an enzyme, and jello as a substrate to illustrate an enzyme/substrate complex.
Khan Academy
Khan Academy: Cellular Respiration
Cellular respiration multiple choice questions to test students' knowledge of the topic from AP Biology.
Khan Academy
Khan Academy: Oxidative Phosphorylation
Article presents an in-depth overview of oxidative phosphorylation which provides most of the ready chemical energy (ATP) used by the cells in your body.
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.
Open Curriculum
Open Curriculum: Into the Mitochondrion: Making Atp With Oxygen
The aim of this article is to relate the history of oxygen in the atmosphere to the evolution of photosynthesis, aerobic respiration, mitochondria, and life on earth.