Some hormones enter cells via ________
A) exocytosis
B) receptor-mediated endocytosis
C) primary active transport
D) pinocytosis
B
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Functionally, carbohydrates are most important as
A) storage of glucose molecules. B) a part of nucleic acid structure. C) sources of energy. D) receptors of the cell surface. E) insulation under the skin.
The high ________ osmolarity allows urine to be concentrated.
Fill in the blank(s) with the appropriate word(s).
Ranavirus and Batrachochytrium dendrobatidis both cause lethal infections, but Ranavirus decimates local populations of amphibians, whereas Batrachochytrium dendrobatidis is wiping out amphibians on a continental scale in North and South America
What difference between those pathogens might account for the difference in the scale of their effects?
Differentiated cells in a developing embryo derive from
What will be an ideal response?