What macronutrient is rarely deficient?
a. carbon
b. hydrogen
c. oxygen
d. zinc
e. carbon dioxide
ANSWER: a
Biology & Microbiology
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In addition to mutation, what other mechanism allows for new genetic information to be introduced into a population? Explain your answer.
What will be an ideal response?
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The adrenal medulla produces:
a. aldosterone b. epinephrine c. cortisol d. testosterone e. both aldosterone and cortisol
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In plants, chloroplasts are necessary for _______.
a) respiration b) storage c) photosynthesis d) cell movement
Biology & Microbiology
Type I diabetes is a(n)
A. autoimmune disease. B. immunodeficiency disease. C. immune complex-mediated hypersensitivity disorder. D. delayed hypersensitivity disorder. E. immediate hypersensitivity disorder.
Biology & Microbiology