Beginning inferior to the urinary bladder, sperm travel to the exterior through the urethral regions in what sequence?
a. prostatic urethra, spongy urethra, membranous urethra
b. prostatic urethra, membranous urethra, spongy urethra
c. membranous urethra, prostatic urethra, spongy urethra
d. spongy urethra, prostatic urethra, membranous urethra
Ans: b. prostatic urethra, membranous urethra, spongy urethra
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In what process does the flow of H+ ions activate ATP synthase and power ATP synthesis by its headpiece?
a. chemosynthesis b. photosynthesis c. synthase reduction d. synthase activation e. chemiosmosis
Match the term with the correct definition.A. Small change in the resting membrane potential confined to a small areaB. Charge difference across the plasma membrane when the cell is in an unstimulated stateC. Larger change in resting membrane potential that spreads over entire surface of a cellD. Membrane becomes more positive when Na+ diffuse into cellE. Return to the resting membrane potentialLocal potential
Fill in the blank(s) with the appropriate word(s).
Jordan works in a hematology lab and processed a blood report showing 22,000 white blood cells/mm3 of blood for a patient. He suspects this patient has a bacterial infection leading to ________
A) sickle cell anemia (SCA) B) polycythemia C) anemia D) leukocytosis E) leukopenia
The number of ________ determines the identity of an atom.
A. protons B. electrons C. prions D. neutrons