You know ‘em, you love ‘em. They’re the powerhouse of the cell: mitochondria. They produce the ATP molecules that we use to do everything from talk to our friends to run a marathon. In this episode of Crash Course Biology, we’re taking a...

The final AP Biology Review.

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In this video Paul Andersen explains how the mitochondria generates energy for the cell through aerobic respiration. He also explains how research into the organelle has shown its importance in eukaryotic evolution.

Explore the process of aerobic cellular respiration and why ATP production is so important in this updated cellular respiration video by The Amoeba Sisters! This video compares the cellular respiration equation to photosynthesis before...

In which Hank does some push ups for science and describes the "economy" of cellular respiration and the various processes whereby our bodies create energy in the form of ATP.

In this video Paul Andersen explains how the chloroplast in plants harnesses power from the Sun to form high energy molecules like glucose. The structure of a chloroplast as well as a brief discussion of the light reaction and Calvin...

In this video Paul Andersen explains the importance of oxygen in accepting electrons. He begins with a brief description of combustion. He then explains the role of oxygen in aerobic cellular respiration.

Paul Andersen explains the structure, function and importance of adenosine triphosphate (ATP). He begins by describing the specific structure of the molecule and its three main parts: adenine, ribose sugar, and phosphate groups. He...

Cellular Respiration analyzes the process of cellular respiration by describing how cells and organisms acquire and release energy.

Adenylate Cyclase Mechanism Inorganic Pyrophosphatase Mechanism

Type I vs Type IIb Muscle Fibers

NEW!!! L-Lactate Dehydrogenase: Physiology, Biochemisty, and Mechanism

Exercise Physiology | AMP, AMPK, & Energetic Stress

Uncoupling Proteins (Thermogenin) Produce HEAT!

Proton Pumping by ETC

NEW! Cytochrome c:Ubiquinol Oxidoreductase: Physiology, Biochemistry, and Mechanism

Inorganic Phosphate Translocase

This video is part of a series in which we do an overview of metabolism and pathways. Specifically, this video covers the citric acid [Krebs] cycle and the basics of NADH, FADH2, and electron transport.

The Adenine Nucleotide Transporter

ATP Synthase Structure

Mitochondria Overview: Structure and Function

Lesson on the Glycerol Phosphate (aka Glycerol-3-Phosphate) Shuttle. NADH produced from glycolysis is unable to enter into the mitochondria because the mitochondrial inner membrane is impermeable and highly selective. Therefore, the...

ATP Synthase: Proton-powered Rotation

Cytochrome b6f Proton Pumping and ATP Synthesis