Label Z represents which of the following structures?
A) hilum
B) renal pelvis
C) renal cortex
D) renal medulla
E) renal sinus
D) renal medulla
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Molecules that can cross a membrane unassisted due so either by
a. carrier mediated transport or facilitated diffusion. b. passive diffusion or active transport. c. conduction or passive transport. d. facilitated diffusion or active transport. e. none of these.
During cellular respiration, decarboxylation occurs when
A. a carboxyl group is released from pyruvate. B. a carbon atom is removed from glucose. C. a carbon dioxide molecule is removed from the cytosol. D. a carbon atom is removed from and an oxygen atom is added to fructose. E. all carbon and oxygen atoms are released from a high-energy molecule.
____________________ is the insufficient circulation of oxygenated blood to cardiac muscle to maintain its aerobic metabolism
Fill in the blank(s) with correct word
________ is the net movement of water through a selectively permeable membrane, from a region of greater water concentration to a region of lesser water concentration
A) Active transport B) Diffusion C) Osmosis D) None of the listed responses is correct.