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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Vitamin A is derived from what provitamin?
A. beta carotene B. panthenol C. provitamin D3 D. ergosterol
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
Diarrhea can deplete the body of fluid and nutrients and produce malnutrition
Indicate whether the statement is true or false
Disorders resulting from one abnormal gene are called:
1.hereditary disorders. 2.single-gene disorders. 3.genetic malfunction. 4.gene disruption.