Action potentials in the heart move from one contractile cell to the next via _____
A) chemical synapses using acetylcholine
B) chemical synapses using norepinephrine
C) electrical synapses using gap junctions
D) non-myelinated motor neurons
C
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The substantial reduction of the total population of microorganisms on inanimate objects and the destruction of potential pathogen is called
A. antisepsis. B. sanitization. C. disinfection. D. sterilization.
Julie points to her book on a shelf and says, "down." Her expression is an example of a(n) _________
Fill in the blank(s) with the appropriate word(s).
During the reactions of photosynthesis, ____ is reduced and ____ is oxidized
a. O2; H2O
b. CO2; H2O c. O2; C6H12O6 d. H2O; C6H12O6 e. CO2; C6H12O6
_______ can track and find prey with sound, much like a submarine would use sonar
A) Giant squid B) Zooplankton C) Toothed whales D) Tuna