Which statement about viruses is FALSE?
A. Viruses will usually infect any available cell, regardless of the cell type.
B. The genome of a virus can be either DNA or RNA, depending on the particular virus.
C. Viruses are active only when inside a cell.
D. Viruses always have a protein coat.
Answer: A. Viruses will usually infect any available cell, regardless of the cell type.
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Where are the basidia located in a typical toadstool?
A. lining the gills B. on top of the cap C. within the central stalk D. within the underground mycelium E. Any of the answer options depending on the species.
Substance P activates chemoreceptors
Indicate whether the statement is true or false.
For a neuron, the outside of the plasma membrane has a higher concentration of ____ than the inside
of the plasma membrane.
a. Na+ b. K+ c. Ca2+ d. anions e. ATP
During which phase does the corpus luteum form?
a. menstrual b. progestational c. proliferative d. ovulatory e. pregnancy