Robert Koch Is Credited with Proving the Germ Theory of Disease;

question 91

Multiple Choice

Robert Koch is credited with proving the germ theory of disease; that infectious diseases are caused by specific microorganisms.  In developing a series of proofs (Koch's Postulates) ,he was able to determine the causative organism of anthrax was the bacteria Bacillus anthracis.  Which of the following statements does not contribute to Koch's Postulates and the germ theory of disease?

• A)The causative organism must be evidenced in each subject presenting with the disease manifestations.
• B)Inoculating a healthy subject with the isolated organism must result in the reported disease manifestations.
• C)The organism must be isolated,purified and characterized from an infected individual.
• D)Each organism from a polymicrobial infection must be isolated and inoculated into a single host.
• E)The same species of organism must be isolated from the second inoculated individual.

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Definitions:

Citric Acid Cycle

A set of chemical transformations that enable aerobic entities to produce energy, through the oxidation of acetate from carbohydrates, fats, and proteins into carbon dioxide.

Acetyl CoA

A molecule that plays a vital role in metabolism, particularly in the synthesis and oxidation of fatty acids, and the Krebs cycle for energy production.

Electron Transport

is a series of chemical reactions that transfer electrons from electron donors to electron acceptors via redox reactions, and couples this electron transfer with the transfer of protons (H+ ions) across a membrane.

Oxygen

Oxygen is a chemical element with symbol O and atomic number 8, essential for the respiration of most living organisms and for combustion processes.