At the pH of most bodily fluids, which functional group will lose a proton and which functional group will accept a proton?
A. sulfhydryl; carbonyl
B. Hydroxyl; amino
C. amino; carboxyl
D. carboxyl; amino
E. carbonyl; Hydroxyl
D
Biology & Microbiology
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When salt dissolves in water, the water molecules form ____ around the Na+ and Cl- ions
a. covalent bonds b. hydration layers c. nonpolar interactions d. membranes e. ionic bonds
Biology & Microbiology
The vertebrate jaw first appeared in
a. fishes. b. amphibians. 272 Test Bank c. reptiles. d. birds. e. mammals.
Biology & Microbiology
A reticular form of loose connective tissue is the framework for the ____
a. cartilage b. bone c. heart d. liver e. blood
Biology & Microbiology
A community and its physical environment are often referred to as a(n) ________
Fill in the blank(s) with correct word
Biology & Microbiology