nicotine mimics the action of which neurotransmitter? a. norepinephrine b. acetylcholine c. serotonin d. dopamine

Which of these best describe conduction? a. transfer of heat between two objects that are touching b. transfer of heat by the actual movements of warmed matter c. the process in which energy is emitted by one object, transmitted through space, and absorbed by another d. the process in which energy is released by molecules

Darius is observing a family of geese, which includes a male goose, female goose, and several goslings. when a dog approaches the geese, the male goose hisses at the dog and flaps its wings threateningly. is the behavior of the male goose an example of an adaptation?

What's the waste product of electrons and pyruvate combining in fermentation?