Which of the following pairs is MISMATCHED?
A) coliform Enterobacteriaceae; rapid lactose fermenters
B) noncoliform opportunistic Enterobacteriaceae; Proteus, Morganella
C) coliform Enterobacteriaceae; opportunistic pathogens
D) nonpathogenic Enterobacteriaceae; Salmonella, Shigella
E) noncoliform Enterobacteriaceae; non-lactose-fermenters
D
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Cyclic AMP is an example of a(n):
A. second messenger. B. ligand. C. effector or target protein. D. G protein.
The leading cause of current species extinctions is
A) global warming. B) habitat destruction. C) hunting. D) diseases.
Podocytes are located in the wall of:
a. Bowman's capsule. b. the glomerulus. c. the peritubular capillaries. d. the renal artery. e. the proximal convoluted tubule.
Select the correct statement about the energy and/or nutrient that makes life possible.
A) both are recycled, nutrients when an organism dies and energy when it is eaten B) the sun provides energy in the form of heat C) producers obtain both energy and nutrients from the environment while consumers obtain both by using the tissues of producers or other organisms D) nutrients move through the ecosystem in a continuous directional flow E) all of the choices