Which of the following is NOT one of the principal regulatory mechanisms for guarding against fluctuation in pH?
A) ?temperature variation
B) ?buffer systems
C) ?respiratory center
D) ?renal regulation
A
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Popular low-carbohydrate diets may place an extra burden on:
a. the heart. b. the kidneys. c. muscles. d. the pancreas.
The _____ in an amino acid distinguishes each amino acid from the others
A) weakly charged carboxylic acid group B) position of the carbon atom C) weakly charged amino group D) structure of the R-group
What name is given to the time period during which irreversible damage to the fetus may occur from specific events such as malnutrition or exposure to toxins?
a. First trimester b. Critical period c. Fertility period d. Conceptual period
Of the 10 leading causes of death in the United States, _____ are related to nutrition, and one to alcohol consumption
a. two b. three c. four d. five e. six