On which of the following is electrophoresis

based?



a. molecular charge
b. molecular bonding
c. molecular size
d. polarity and nonpolarity
e. a combination of more than one of these


C

Biology & Microbiology

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In honeybees, if food is closer than 50 m, scouts

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Four of the five structures listed below are parts of

the forebrain. Select the exception. a. limbic system b. thalamus c. olfactory lobes d. cerebellum e. cerebrum

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Which property of water causes sugar to dissolve in coffee?

a. Hydrogen bonds are broken between neighboring water molecules. b. Water is less dense than ice. c. Water is a good solvent. d. Water is cohesive. e. Water is able to change states.

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A rash characterized by macules which swell, fill with fluid and then pus, then rupture and become crusty lesions, is characteristic of

A) human herpes virus 2 primary infection. B) poxvirus infection. C) chickenpox virus reactivation. D) roseola virus. E) papillomavirus infection.

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