Agar is produced by

a. brown algae.
b. red algae.
c. phycobilins.
d. foraminiferans.
e. brown and red algae.


Answer: b

Biology & Microbiology

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Taste buds are

a. really just modified sensilla. b. found only on the tongue. c. collections of papilla that each respond to different stimuli. d. small capsules of cells, each with a pore at the top though which sensory hairs project and interact with environmental molecules. e. EACH able to respond to sweet, sour, salty, bitter, and savory (umami) stimuli.

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Which plant is consumed by more people worldwide than any other crop?

a. wheat b. corn c. rice d. potatoes e. legumes

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These vessels take the blood back most directly to the heart

A) arteries B) venules C) veins D) arterioles

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In order for a game to be a true prisoner's dilemma, which of the following conditions must be met? P = Pun-ishment for mutual defection, R = Reward for mutual cooperation, S = "Sucker's" payoff, T = Temptation to defect

a. T>R>P>S c. R>P>S>T b. S>P>T>R d. R>P>T>S

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