Which of the following statements is true?
A. B vitamins are a source of energy for cellular activity.
B. Poor vision in dim light is an early symptom of vitamin E deficiency.
C. Excessive intakes of vitamin A are toxic.
D. Vitamins are inorganic substances that the body requires in gram amounts.
Answer: C
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Diarrhea can deplete the body of fluid and nutrients and produce malnutrition
Indicate whether the statement is true or false
Vitamin A is derived from what provitamin?
A. beta carotene B. panthenol C. provitamin D3 D. ergosterol
Disorders resulting from one abnormal gene are called:
1.hereditary disorders. 2.single-gene disorders. 3.genetic malfunction. 4.gene disruption.
The process in which a protein loses its shape and function when exposed to acids, heat, and
heavy metals is deamination. Indicate whether the statement is true or false