Most of the water, nutrients, and sodium is reabsorbed in the:
a. glomerulus
b. proximal tubule
c. distal tubule
d. loop of Henle
e. collecting duct
b
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One of the two major distinguishing characteristics of mollusks is
a. the presence of three body regions. b. the mantle. c. segmentation of the body. d. jointed appendages.
Type of cell that has a membrane-bound nucleus and membranous organelles; found in organisms within the domain Eukarya.
What will be an ideal response?
The coral organisms on a coral reef cannot be replaced by any other organism. For that reason, we identify those species as:
A) ecological dominants. B) symbiotic species. C) mutualistic species. D) keystone species.
The process of carbon dioxide fixation refers to ________.
A. reaction of carbon dioxide with water to form carbonic acid B. release of carbon dioxide during catabolic reactions C. release of carbon dioxide during anabolic reactions D. reduction of carbon dioxide and incorporation into organic molecules that are assimilated