Cellular Respiration

This biology video tutorial provides a basic introduction into cellular respiration. It covers the 4 principal stages of cellular respiration such as glycolysis, pyruvate oxidation, the kreb’s cycle, and the electron transport chain. It also covers anaerobic cellular respiration such as lactic acid fermentation and ethanol fermentation. This video contains plenty of examples and practice problems.

Here is a list of topics:
0:00 – Intro to Cellular Respiration
1:10 – Intro to ATP – Adenosine Triphosphate
5:25 – The 4 Stages of Cellular Respiration
7:34 – Glycolysis
8:26 – Substrate Level Phosphorylation
9:36 – Oxidation and Reduction Reactions
12:03 – Investment and Payoff Phase of Glycolysis
13:08 – Enzymes – Kinase and Isomerase
16:44 – Pyruvate Oxidation into Acetyl-CoA
18:22 – Pyruvate Dehydrogenase Enzyme
19:53 – The Kreb’s Cycle
26:50 - The Mitochondrial Matrix and Intermembrane Space
27:45 - The Electron Transport Chain
28:32 - Ubiquinone and Cytochrome C - Mobile Electron Carriers
34:14 - ATP Synthase and Chemiosmosis
35:32 - Oxidative Phosphorylation
48:00 - Aerobic and Anaerobic Respiration
49:40 - Lactic Acid Fermentation
52:45 - Ethanol Fermentation
55:26 - Examples and Practice Problems

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1:27:07 glycolysis produces water when the enzyme enolase catalysts the reaction of glycerate 2 phosphate into P-enolpyruvate. It produces 2 waters.