The pH of an aqueous solution is an indication of the concentration of available protons. However, you should not expect to find lone protons in solution; rather, the proton is added to a water molecule to form a(n) ______________ ion

(a) hydroxide
(b) ammonium
(c) chloride
(d) hydronium


(d)

Biology & Microbiology

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The diagram of an antibody above shows ___________

A. tertiary structure only B. quaternary structure only C. tertiary and quaternary structure. D. a sequence of nucleotides E. phospholipid structure

Biology & Microbiology

Which body region has the greatest amount of sensory perception?

a. Stomach b. Tongue c. Ears d. Foot e. Lips

Biology & Microbiology

Which of the following types of bonds require electrons to be shared between atoms?

a. non-polar covalent only b. polar covalent only c. ionic only d. both polar and non-polar covalent

Biology & Microbiology

Enzymes used to cut DNA molecules in recombinant DNA research are

a. ligases. b. restriction enzymes. c. transcriptases. d. DNA polymerases. e. replicases.

Biology & Microbiology