The symptoms of gas gangrene are due to all of the following EXCEPT
A) microbial fermentation.
B) necrotizing exotoxins.
C) proteolytic enzymes.
D) hyaluronidase.
E) endocarditis
E
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Which of the following is NOT true of the NMDA receptor?
a. It is an ionotropic receptor. b. It opens channels for both sodium and calcium. c. It is blocked by NBQX. d. It can activate second messengers. e. It is responsive to both glutamate and glycine.
Predict what type of transport protein is responsible for the movement of amino acids from lysosomes to the cytosol
A. a pump protein B. a channel C. a symporter that couples the movement of amino acids with the movement of protons D. an antiporter that couples the movement of amino acids with the movement of protons
In osmosis
A. water moves from extracellular to intracellular compartments. B. water moves from a region of high water concentration to a region of low water concentration. C. solutes move from a region of low water concentration to a region of high water concentration. D. solutes move from a region of high solute concentration to a region of low solute concentration. E. plasma membranes must be impermeable to water.
There are ____ basic patterns of Mendelian inheritance
a. three b. four c. five d. six e. seven