A patient develops a high fever due to a Gram-negative pathogen. Which of the following is a certain mediator of illness in this case?
A. Exotoxin
B. Endotoxin
C. Both endotoxin and exotoxin
D. Neither endotoxin nor exotoxin
Answer: B
Biology & Microbiology
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Most tunicate adults are
a. herbivores. b. photoautotrophs. c. carnivores. d. scavengers. e. filter feeders
Biology & Microbiology
Refer to the accompanying figure. What is the structure labeled as 9?
a. foot
b. gills
c. heart
d. siphons
e. digestive tract
Biology & Microbiology
Which process accounts for the movement of solid particles (such as food) into some animal cells?
A) Phagocytosis B) Osmosis C) Active transport D) Facilitated diffusion E) Simple diffusion
Biology & Microbiology
Microbial enzymes are used
A. in the production of linen. B. as preservatives. C. in spot removers. D. as a component of fabric dyes. E. to biodegrade plastics.
Biology & Microbiology