The presence of the loop of Henle allows which animals to reabsorb water and produce a hypertonic urine?
A. Birds and mammals
B. Birds
C. Birds and reptiles
D. Mammals
E. Freshwater fish and mammals
F. Marine fish
Answer: A
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The structure that people typically refer to as a "mushroom" is technically called the ____
a. Basidiocarp b. Mycelium c. Ascocarp d. hyphal mass e. Zygospore
Bile
a. has no effect on digestion. b. helps in the digestion of fats. c. helps in the digestion of carbohydrates. d. helps in the digestion of proteins. e. helps in the digestion of nucleic acids.
Carbon gives rise to so many different kinds of molecules because it
A. has been around so long due to its inertness. B. is one of the most abundant elements on earth. C. is able to form bonds with itself and many other elements. D. all of the above
Treating infections with gram-positive bacteria requires different drugs than those used to treat gram-negative bacteria.
a. true b. false