An electrolyte is
A. a positively charged ion.
B. a combination of atoms held together by chemical bonds.
C. a negatively charged ion.
D. a substance that conducts electricity when placed in solution.
E. the alteration in the three-dimensional structure of a protein.
Answer: D
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Matching
A) Solutions B) Suspensions C) Colloids 33) Heterogeneous, will not settle. 34) Heterogeneous, will settle. 35) Homogeneous, will not settle. 36) Will not scatter light.
A standing person ________ the head to look toward the ground to see if his/her shoes need to be tied.
Fill in the blank(s) with the appropriate word(s).
All of the following are common ions of the human body except
a. Na+. b. P+. c. Ca2+. d. Cl?.
This layer is found only in thick skin
A. stratum corneum B. stratum granulosum C. stratum lucidum D. stratum basale E. stratum spinosum