I'm doing an anatomy assignment, and I don't really understand how signals travel down a neuron. I'm supposed to explain this using words like Sodium, potassium, channels, action potential, and other words. Can someone please explain how signals travel down a neuron?

If water were a non polar molecule, how would its properties be different ? a.) water would be a much lighter molecule b.) water would be able to climb up inside plants c.)water would not be able to form hydrogen bonds d.) water would stick together much more strongly

The breakdown of peptides into amino acids is an example of . the release of insulin after eating a large meal is an example of .

Which of the following statements is true? a. poll data show that a majority of americans accept gay and b. open discussions of sexuality are welcomed by all families, c. homophobic stereotypes rarely occur in the media anymore. lesbian relationships. religious grougs, and social networks. d. poll data show that bisexuality and homosexuality are viewed positively by all parts of society