How does osmosis differ from diffusion?
A) Unlike osmosis, diffusion moves substances against a concentration gradient.
B) Unlike diffusion, osmosis requires energy.
C) Unlike diffusion, osmosis involves only the movement of water molecules through a membrane.
D) Unlike osmosis, diffusion involves channel proteins.
Ans: C) Unlike diffusion, osmosis involves only the movement of water molecules through a membrane.
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What is the role of monoamine oxidase and acetylcholinesterase in the nervous system?
a. To produce neurotransmitter molecules. b. To serve as receptors for neurotransmitter molecules. c. To breakdown neurotransmitter molecules.
In a study of tadpole coloration, you noticed that a certain percentage of tadpoles in a population displayed a decreased ability to shift from dark coloration at night to light coloration during the day
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A tropical biome with grasses as primary producers and scattered trees adapted to prolonged dry spells is known as a:
a. warm desert b. savanna c. tundra d. taiga e. chaparral
Zacchias has been in a horrible fire, and 50% of the total surface of his skin has been destroyed. Given the information in this chapter, why is it so important to replace the burned skin, and what is his best specific option for replacement?
What will be an ideal response?