Salinity is expressed in parts per
a. hundred.
b. thousand.
c. ten thousand.
d. hundred thousand.
e. million.
B
Biology & Microbiology
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Which group has a tentacle ringed mouth and a gastrovascular cavity?
a. sponges b. cnidarians c. flatworms d. annelids e. arthropods
Biology & Microbiology
The pathogenic prokaryotes that cause cholera are _____
A) archaea that release an exotoxin B) archaea that release an endotoxin C) bacteria that release an exotoxin D) bacteria that release an endotoxin
Biology & Microbiology
Which of the following is NOT an example of a walled-off site of infection that contains a fluid made of dead and dying tissue cells, leukocytes, and pathogens?
A) a boil B) an abscess C) a pimple D) a pustule E) a tumor
Biology & Microbiology
T or F: Depolarization occurs in both the nerve and the muscle
What will be an ideal response?
Biology & Microbiology