The typical brown color of feces comes from

a. blood cells.
b. degraded food substances.
c. bile pigments.
d. melanin.
e. digested blood from meats.

C

Biology & Microbiology

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What condition develops when GABA levels in the brain are deficient?

A. epilepsy B. insomnia C. Huntington's disease D. Alzheimer's disease E. Parkinson's disease

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Parosympathetic does what?

What will be an ideal response?

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Refer to Figure 22-2. The common hominid ancestor would be found at the position labeled:a

13
b. 12
c. 11
d. 10
e. 9

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A base ________

A) removes H2O molecules from a solution B) decreases the pH of a solution C) removes OH— ions from a solution D) removes H+ ions from a solution

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