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Glycolysis and Cellular Respiration Topics in Depth

Metabolism and Respiration Overview

Metabolism Is Just One Big ReductionAll 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 drastical...

Glycolysis

The first step when going to an old-school arcade is breaking your dollar bills down into tokens (yeah, that old shtick again); something similar can be said for cellular respiration, where the glu...

The Mitochondrion

Following glycolysis, the next process in cellular respiration takes place in a mitochondrion (that's the singular form of mitochondria, the cell's powerhouse organelle). Let's quickly review what...

Citric Acid 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 mitochondrion for the citr...

Oxidative Phosphorylation

We're back at the arcade, and still in the mitochondrion. We just can't get enough. This is our bonus game, but also the most important one, because now we will convert our tokens from the citric a...

Fermentation and Anaerobic Respiration

 Suppose a cell doesn't 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. R...

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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