Whales, dolphins, and porpoises all belong to the order:

a. Sirenia.
b. Cetacea.
c. Carnivora.
d. Pinnipedia.
e. Fissipedia.


B

Biology & Microbiology

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As filtrate moves through the ____ in mammals it generally undergoes a dramatic decrease in

osmolarity.

a. distal convoluted tubule b. Bowman's capsule c. descending segment of the loop of Henle d. proximal convoluted tubule e. ascending segment of the loop of Henle

Biology & Microbiology

In the chemical shorthand 14C, the 14

represents the number of a. excess neutrons. b. protons plus neutrons. c. electrons. d. protons plus electrons. e. radioactive particles

Biology & Microbiology

Warning signs of a heart attack do NOT include

a. pain behind the breastbone. b. pain radiating down the left arm. c. sweating. d. nausea. e. pain radiating down right leg.

Biology & Microbiology

Which cells are involved in a secondary response?

a. Memory B cells and plasma cells b. Memory B cells c. T cells d. Plasma cells

Biology & Microbiology