Nonpathogenic Bacteria in the Intestinal Tract Perform All of These

question 27

Multiple Choice

Nonpathogenic bacteria in the intestinal tract perform all of these functions EXCEPT:

• A)degrading undigested or unabsorbed dietary carbohydrate.
• B)producing certain vitamins.
• C)preventing invasion of tissues by pathogenic bacteria.
• D)stimulating the production of proteins.
• E)assisting in the development and maintenance of the mucosal lining.

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Definitions:

Wavelength

The distance between successive crests of a wave, especially points in a sound wave or electromagnetic wave.

Electromagnetic Radiation

Energy that travels through space in the form of waves, including radio waves, microwaves, infrared, visible light, ultraviolet, X-rays, and gamma rays.

Vibrational Motions

The movement of atoms within a molecule that involves the stretching and bending of chemical bonds.

Absorption

The process by which one substance, such as a solid or liquid, takes up another substance, such as a gas or liquid, through atomic or molecular interactions.