A Microorganism That Does Not Have Catalase or Superoxide Dismutase

question 93

Multiple Choice

A microorganism that does not have catalase or superoxide dismutase would find it difficult to live in an environment with ______.

• A)temperatures above 37° C
• B)high salt
• C)carbon dioxide
• D)oxygen
• E)high acidity

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Definitions:

Transport Protein

Protein that moves specific ions or molecules across a cell membrane.

Solute

A dissolved substance.

Phagocytosis

“Cell eating”; type of receptor-mediated endocytosis in which a cell engulfs a large solid particle such as another cell.

White Blood Cells

Cells of the immune system that are involved in protecting the body against both infectious disease and foreign invaders.