Which is not a membrane-bound organelle?
A. Endoplasmic reticulum
B. Lysosome
C. Golgi apparatus
D. Peroxisome
E. All of the choices are membrane-bound organelles.
E
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Parasympathetic innervation to the hindgut originates in the S2-S4 spinal cord segments. Parasympathetic neurons travel to the prevertebral plexus via which of the following nerves?
A. Greater splanchnic nerves B. Least splanchnic nerves C. Lesser splanchnic nerves D. Lumbar splanchnic nerves E. Pelvic splanchnic nerves F. Sacral splanchnic nerves
The normal respiratory rate of 12-15 breaths per minute is known as ________
A) hyperpnea B) eupnea C) dyspnea D) apnea
If a hyperpolarizing graded potential and a depolarizing graded potential of similar magnitudes arrive at the trigger zone at the same time, what is most likely to occur?
A) An action potential is fired off more quickly than usual. B) Nothing. They will cancel each other out. C) The cell becomes easier to excite. D) The cell becomes hyperpolarized. E) The cell dies.
What material is transported in the sinusoids of the liver?
A. Hepatic juice B. Mixed arterial and venous blood C. Bile D. Venous blood E. Arterial blood