In the buffering system, CO2 + H2O H2CO3 H+ + HCO3-, which component contributes to the pH of the body?
a. H+
b. HCO3-
c. CO2
d. H2CO3
a
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Peristalsis is controlled by the
A) central nervous system. B) pituitary gland. C) hypothalamus. D) enteric nervous system.
What is the chief purpose of using ozone as a commercial water treatment?
a. It kills microorganisms. b. It complexes with heavy metals. c. It stabilizes the carbon filtration process. d. It promotes chlorine dissipation and thus enhances taste. e. It "softens" the water.
Explain why dark meat, such as legs and thighs, does not have the same storage time as white meat from the breast and wings.
What will be an ideal response?
Which of the following is not an acceptable method for thawing a potentially hazardous food such as previously frozen meat?
A. as part of the cooking process B. at room temperature on the kitchen counter C. in a microwave oven, followed by immediate cooking D. submerged under cold running water E. in a refrigerator F. All of these are acceptable thawing methods.