Which autonomic function is not controlled by a center in the medulla oblongata?
A. Control of kidney function
B. Regulation of respiratory rate
C. Control of vomiting
D. Control of swallowing
E. Regulation of heart rate
Answer: A
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Which of the following pumps is specifically used to return Ca2+to the sarcoplasmic reticulum?
A) Ca2+ATPase B) NaCaX C) parvalbumin D) SERCA
Which are plasma proteins? Choose all that apply.
A. Albumin B. Gamma globulin C. Hemoglobin D. Fibrinogen E. Glucose
You are a researcher interested in studying the cytoskeleton. How can you use antibodies to locate actin- and tubulin-containing structures?
What will be an ideal response?
Which is true about mediated transport across cell membranes?
A. As the concentration gradient across a membrane increases, the transport rate always increases. B. It refers both to simple diffusion and to the active transport of molecules. C. It is nonspecific; any transporter can transport any molecule across the cell membrane. D. It is characterized by saturable carriers and a maximum velocity of transport. E. It refers to the movement of ions through protein channels.