Common interferences in breath alcohol tests are ___, from fingernail polish, and ___, a common solvent in oil-based paints.

Fill in the blank(s) with the appropriate word(s).


acetone, toluene

Biology & Microbiology

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Which of the following are incorrectly matched for a single-factor cross?

A. P generation / true breeding B. F1 generation / monohybrid C. F2 generation / result of F1 cross D. F1 generation / result of P cross E. F2 generation / result of P cross

Biology & Microbiology

________ bind two or more ions or molecules and transport them in opposite directions across a membrane.

A. Uniporters B. Symporters C. Antiporters D. Dual transporters E. Channel pumps

Biology & Microbiology

Which of the following is not true of transposons?

A. They are always part of plasmids. B. They can replace damaged DNA. C. They can change pigmentation. D. They can change the genome. E. They can transfer drug resistance.

Biology & Microbiology

Unsaturated tails of lipids

a. are hydrophilic. b. are stable and tend to break apart. c. give the membrane a fluid quality. d. will break whenever exposed to phosphate ions. e. act as carriers.

Biology & Microbiology