Learn AP Biology using videos, articles, and AP-aligned multiple choice question practice. Review the fundamentals of biochemistry, cell biology, genetics, evolution, and ecology, and develop …

The biology archive contains legacy biology content, and is not being updated with new content. For our most up-to-date, mastery-enabled courses, check out Middle School Biology, High …

Photosynthesis Explore how light-dependent reactions capture energy to produce ATP and NADPH. Understand how the Calvin cycle uses these molecules to fix carbon and build …

All materials are categorized according to the pre-health competencies tested by the new MCAT exam; however, the content in this collection is not intended to prescribe a program of study …

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Learn high school biology using videos, articles, and NGSS-aligned practice. Explore the fundamentals of cells, organism growth and development, photosynthesis and cellular …

Photosynthesis and cellular respiration are almost opposite processes. Looking at their equations, they differ only in the form of energy that is being absorbed or released.

Jul 17, 2016 · What is photosynthesis? Photosynthesis is the process in which light energy is converted to chemical energy in the form of sugars. In a process driven by light energy, …

Unit 1: Intro to biology About this unit This unit is part of the Biology archive. Browse videos and articles by topic. For our most up-to-date, mastery-enabled courses, check out High School …

This unit is part of the Biology archive. Browse videos and articles by topic. For our most up-to-date, mastery-enabled courses, check out [High School Biology] …