The rate of diffusion is affected by the permeability of the membrane to the diffusing solute
a. True
b. False
a
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Xylem transports _______, whereas phloem transports __________
A. sugars; starch B. water; sugars C. water; minerals D. sugars; water E. sugars; minerals
Removal of which of the following lymphoid organs would be most detrimental to immune function in an infant?
What will be an ideal response?
A section of liver stained with the Grocott stain shows diffuse black staining over the entire section, making it difficult to see organisms. This could most likely be corrected in the future by treating liver sections with:
a) decreased concentration of chromic acid b) diastase prior to beginning the stain c) a more dilute solution of methenamine silver d) a longer time in the gold chloride
Which one of the following does NOT contribute to the incidence of nosocomial infections?
A) antibiotic resistance B) lapse in aseptic techniques C) gram-negative cell walls D) lack of handwashing E) lack of insect control