Which sentence best describes how mineral ions are absorbed by plants?
a. They are moved into the symplast via facilitated diffusion.
b. They are moved into the apoplast via bulk flow.
c. They are moved into the symplast via active transport.
d. They are moved into the apoplast via facilitated diffusion.
Answer: c. They are moved into the symplast via active transport.
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What characteristic do plants, algae, and some bacteria have in common that is not shared with fungi or animals?
A. They contain mycorrhizae. B. They have spores. C. They can do photosynthesis. D. They have cell walls.
The protective covering of the brain is (are) the
a. ventricles. b. meninges. c. tectum. d. olfactory and optic bulbs. e. pineal gland.
The tricuspid valve is located between the right atrium and the right ventricle
____________________ Indicate whether the statement is true or false.
Transfusion reactions are the result of antibody reaction to
A) glycolipids and glycoproteins on the surface of red blood cells. B) MHC molecules on red blood cells. C) MHC molecules on white blood cells. D) plasma proteins. E) foreign antibodies.