Which Is Not a Characteristic of Helicobacter Pylori

question 36

Multiple Choice

Which is not a characteristic of Helicobacter pylori?

• A)gram-negative
• B)produces enteroxin that causes diarrhea
• C)curved rods
• D)lives in the stomach
• E)produces urease that buffers stomach acidity

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Definitions:

Iris

The colored part of the eye that controls the size of the pupil and the amount of light that enters the eye.

Refraction

The bending of light as it passes from one medium to another with a different density, affecting its speed and direction.

Rhodopsin

A light-sensitive receptor protein involved in visual phototransduction in the retina of the eye.

Visual Pigment

Photoreceptive molecules in the retina that absorb light and trigger nerve impulses that result in vision.