Which of the following describes phospholipids in the plasmalemma?
A) The phosphate heads are hydrophobic.
B) The lipid tails are hydrophobic.
C) The heads are on the inside.
D) The tails are at the surface.
E) The lipid tails are hydrophilic.
B) The lipid tails are hydrophobic.
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A long-distance runner is about to enter a 5-mile race. Beforehand, he spends several minutes warming up. During the warm-up period, the phenomenon of treppe is occurring in body muscles being used. What is treppe and why does it occur?
What will be an ideal response?
Steroid hormone receptors may be found ________.
A. in the nucleus B. in the cytoplasm C. on the cell surface D. Both in the cytoplasm and in the nucleus.
Which animal has a greater volume of distribution?
a. a 7 percent dehydrated cat b. a normal cat
What is the termination point for the anterolateral pathway?
A. Gray commissure of spinal cord B. Thalamus C. Posterior horn of spinal cord D. Cerebellum E. Medulla oblongata