Live, Attenuated Vaccines Microorganisms can be attenuated or disabled so that they lose their ability to cause significant disease but retain their capacity for transient growth within an inoculated host.

TLS Online TPP Program

#Id: 8179

#Unit 2. Cellular Organization

Peroxisomes contain oxidative enzymes: catalase and urate oxidase.

TLS Online TPP Program

#Id: 8180

#Unit 2. Cellular Organization

Peroxisomes carry out oxidation reactions leading to the production of hydrogen peroxide.

TLS Online TPP Program

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#Unit 2. Cellular Organization

Catalase uses the H2O2 to oxidize a variety of other substrates (formic acid, formaldehyde, and alcohol) by the “peroxidation” reaction.

TLS Online TPP Program

#Id: 8182

#Unit 2. Cellular Organization

When excess H2O2 accumulates in the cell, catalase converts it to H2O through the reaction.

TLS Online TPP Program

#Id: 8183

#Unit 2. Cellular Organization

β oxidation 

A major function of the oxidation reactions is the breakdown of fatty acid molecules.

TLS Online TPP Program

#Id: 8184

#Unit 2. Cellular Organization

β oxidation

In mammalian cells, occurs in mitochondria & peroxisomes.

In yeast and plant cells, occurs in peroxisomes.