A. All living things are composed of four basic categories of macromolecules and share the same basic needs for life.
B. Living organisms acquire the energy they need for life processes through various metabolic pathways (primarily photosynthesis and cellular respiration).
C. Chemical reactions in living things follow basic rules of chemistry and are usually regulated by enzymes.
D. The unique chemical properties of carbon and water make life on Earth possible.
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Original Student Tutorials Science - Grades 9-12
Explore how cells use ATP as an energy source for cellular activities in this interactive tutorial.
Explore the mystery of muscle cell metabolism and how cells are able to meet the need for a constant supply of energy. In this interactive tutorial, you'll identify the basic structure of adenosine triphosphate (ATP), explain how ATP’s structure is related it its job in the cell, and connect this role to energy transfers in living things.
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Original Student Tutorials
Explore the mystery of muscle cell metabolism and how cells are able to meet the need for a constant supply of energy. In this interactive tutorial, you'll identify the basic structure of adenosine triphosphate (ATP), explain how ATP’s structure is related it its job in the cell, and connect this role to energy transfers in living things.
Type: Original Student Tutorial
Explore how cells use ATP as an energy source for cellular activities in this interactive tutorial.
Type: Original Student Tutorial
Tutorials
This Khan Academy video explains how the molecule ATP stores the energy needed for biological systems within organisms.
Type: Tutorial
This tutorial will help the learners understand glycolysis, which is the process of enzymes breaking down glucose to release energy.
Type: Tutorial
Video/Audio/Animation
This site has fantastic short Flash animations of intricate cell processes, including photosynthesis and the electron transport chain.
Type: Video/Audio/Animation
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Tutorial
This tutorial will help the learners understand glycolysis, which is the process of enzymes breaking down glucose to release energy.
Type: Tutorial