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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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
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.