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

Biology & Microbiology

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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.

Biology & Microbiology

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).

Biology & Microbiology

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

Biology & Microbiology

_______ can track and find prey with sound, much like a submarine would use sonar

A) Giant squid B) Zooplankton C) Toothed whales D) Tuna

Biology & Microbiology