Peroxisomes (fig. 3.28b) resemble lysosomes but contain different enzymes and are not produced by the Golgi complex. They occur in nearly all cells but are especially abundant in liver and kidney cells. Peroxisomes neutralize free radicals and detoxify alcohol and other drugs. They are named for the hydrogen peroxide (H2O2) they produce in the course of detoxifying alcohol and killing bacteria. They break down excess H2O2 with an enzyme

37 auto = self + phagy = eating 38auto = self + lysis = dissolving

Lysosome H2o2

Figure 3.28 Lysosomes and Peroxisomes. (a) Lysosomes. (b) Peroxisomes.

Lysosomes And Peroxisomes Function

Figure 3.28 Lysosomes and Peroxisomes. (a) Lysosomes. (b) Peroxisomes.

Saladin: Anatomy & I 3. Cellular Form and I Text I © The McGraw-Hill

Physiology: The Unity of Function Companies, 2003 Form and Function, Third Edition

120 Part One Organization of the Body called catalase. Peroxisomes also decompose fatty acids into two-carbon acetyl groups, which the mitochondria then use as an energy source for ATP synthesis.

Was this article helpful?

0 0
Alcohol No More

Alcohol No More

Do you love a drink from time to time? A lot of us do, often when socializing with acquaintances and loved ones. Drinking may be beneficial or harmful, depending upon your age and health status, and, naturally, how much you drink.

Get My Free Ebook

Post a comment