Viruses are used to produce vaccines for prevention of certain viral infections.
Answer the following statement true (T) or false (F)
True
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When a neuron is not being stimulated, its
membrane potential is classified as
a. resting potential. b. threshold potential. c. action potential. d. inactive potential. e. inhibitory potential
In a cell membrane, the phospholipid heads are ____
a. hydrophobic b. nonpolar c. dissolved in the cell’s watery interior d. sandwiched between the phospholipid tails e. formed by fatty acids
The_____ time is the time that lapses between the encounter with the pathogen and the first symptoms
a. Prodrome b. Period of invasion c. Period of convalescence d. Period of incubation
Paneth cells, which are capable of phagocytizing bacteria, are found in the
a) small intestine. b) large intestine. c) stomach. d) pancreas.