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Glycolysis and Cellular Respiration
Glycolysis and Cellular Respiration
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Glycolysis and Cellular Respiration Topics in Depth

Metabolism and Respiration Overview

Metabolism OverviewAll organisms need energy to live. Humans like to sit down to three square meals a day (even if they are on round plates), but other living things have drastically different ways...

Glycolysis

The first step when going to an old-school arcade is breaking your dollar bills down into tokens; something similar can be said for cellular respiration, where the glucose (C6H12O6) molecule needs...

The Mitochondrion

The next steps in cellular respiration take place in a mitochondrion (that's the singular form of mitochondria, one of the cell's organelles). Here's a quick review of what a mitochondrion looks li...

Citric Acid Cycle

(synonym for Krebs cycle)At the arcade, after you change your dollar bill into tokens, you set your sights on a game. In a cell, if oxygen is present, the pyruvate from glycolysis heads over to a m...

Oxidative Phosphorylation

This is our bonus game, but also the more important one, because we will convert the tokens from the citric acid cycle (NADH and FADH2) to tickets (ATP). This is where the bulk of ATP comes from in...

Fermentation and Anaerobic Respiration

Suppose a cell does not have oxygen available. Maybe the cell happens to be on the moon, or maybe the cell's owner is sprinting away from a lion and is using up all the oxygen at the moment. Rule #...

Common Mistakes

GlycolysisSometimes, it can be confusing to keep track of what is being oxidized and what is being reduced. Using the trick about the phrase "LEO the lion says GER" helps us remember which is which...

Test Your Knowledge!

Glycolysis Questions1. Early in glycolysis, a glucose molecule is split into which of the following?(A) Two pyruvate molecules(B) Four ATP(C) Two NADH(D) Two three-carbon sugar molecules(E) Water a...

Made From Trees

Offline ResourcesMitochondria are the powerhouses of the cell, but what are they other than that? Everything. At least that is what the author of this book argues: Power, Sex, Suicide: Mitochondria...

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