The phosphate buffer system serves as an important urinary buffer
Indicate whether the statement is true or false
T
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Order the items that describe the sensation pathway for taste.a: Primary axons pass along cranial nerves VII and IXb: Primary neurons synapse in the nucleus solitariusc: Secondary neurons synapse in the thalamusd: Tertiary neurons travel to the cerebral gustatory cortex
A. c, d, a, b B. b, c, a, d C. a, b, c, d D. a, d, b, c E. d, c, b, a
Sperm are produced in the
A. rete testis. B. epididymis. C. seminal vesicles. D. seminiferous tubules. E. efferent ductules.
In an ionic bond, the electron donor is the ________, whereas the electron acceptor is the ________
A) acid; base B) salt; ion C) anion; cation D) base; acid E) cation; anion
Which type of membrane proteins allow cells to identify one another?
A. Receptor proteins B. Channel protein C. Marker molecules D. Carrier proteins E. Enzymes