What is membrane potential?
A. The ability of a membrane to actively transport carbohydrates out of the cytoplasm
B. The ability of molecules to pass through the nuclear envelope
C. The electrical charge difference across the plasma membrane resulting from differences in ion concentrations inside and outside the cell
D. The rate of ATP production and transport by mitochondria
Answer: C
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Which of the following is NOT a function of the respiratory system?
A. Defense against microbes B. Net uptake of carbon dioxide from the air and removal of oxygen from the blood C. Regulation of blood H+ concentration D. Trapping of blood clots E. Phonation
Overseeing the postural muscles of the body and making rapid adjustments to maintain balance and equilibrium are functions of the
A) cerebrum. B) thalamus. C) cerebellum. D) pons. E) medulla oblongata.
Urine is temporarily stored in the
A) urethra. B) urinary bladder. C) kidney. D) ureter. E) trigone.
The omasum is the smallest chamber of the ruminant stomach
Indicate whether the statement is true or false