During aerobic respiration, oxygen is:
a. formed.
b. reduced.
c. oxidized.
d. catabolized.
e. decarboxylated.
B
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Cells that have a crawling movement include (select all correct choices):
A. amoebas foraging for food. B. white blood cells in pursuit of invading pathogens. C. migrating embryonic cells. D. nerve cells transporting neurotransmitters. E. contracting muscle cells.
Staphylococcal food poisoning is caused by the ingestion of improperly stored or cooked food in which ________ has grown.
A. Staphylococcus aureus B. Staphylococcus epidermidis C. Staphylococcus pneumoniae D. All of the choices are correct.
Which neurotransmitter diffuses across the synaptic gap, rather than being released by synaptic vesicles?
1.Dopamine 2.Gammaaminobutyric acid (GABA) 3.Nitrous oxide (NO) 4.Serotonin
The mitochondrion harnesses the energy of the flow
of __________ from its __________ compartment to its __________ compartment to generate ATP. a. CO2; outer; inner b. H+; outer; inner c. H+; inner; outer d. H2O2; outer; inner e. CO2; inner; outer