Water exits the sponge spongocoel through the:
a. choanocytes.
b. spicules.
c. ostia.
d. osculum.
e. pinocytes
D
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The reservoir of Treponema pallidum is the
A. guinea pig. B. fox. C. bat. D. human.
The effects of protein kinases are reversed by another group of enzymes called ____
a. hydrolases b. catalases c. isomerases d. phosphatases e. proteases
The microbial loop results from
A) fungal attack on litter and subsequent consumption by microbivores. B) leaching of litter that stimulates detritivores. C) enhanced decomposition of labile litter materials enhancing food web turnover. D) exudate release in the rhizosphere stimulating decomposition and nutrient release.
Which of the following is a parasitic excavate that causes African sleeping sickness, a disease spread by the tsetse fly?
A) Plasmodium B) Trypanosoma C) Paramecium D) Amoeba