Four of the five answers listed below are acidic (pH below 7). Select the exception

a. vinegar
b. soft drink
c. soap
d. lemon juice
e. beer


C

Biology & Microbiology

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The blood pressure is lowest in the _____

A) aorta B) arteries C) arterioles D) left ventricle of the heart E) vena cava

Biology & Microbiology

The most important ion in controlling the movement of water into and out of the guard cells is  

A.  sodium. B.  hydrogen. C.  carbon. D.  nitrogen. E.  potassium.

Biology & Microbiology

After the primary stain has been added but before the decolorizer has been used, gram-positive organisms are stained ________ and gram-negative organisms are stained ________.

A. purple; colorless B. purple; purple C. purple; pink D. pink; pink

Biology & Microbiology

Detrital food chains contain all of the following except

A) carnivores. B) herbivores. C) decomposer herbivores. D) detritus.

Biology & Microbiology