Worth 20 points will mark 
read the following statements that describe what happens as an impulse travels. what is the correct order in which the steps occur?
1) the impulse continues to travel down the axon away from the cell body.
2) na+ gates close and k+ ions flow back out of the cell restoring the resting potential.
3) gated k+ and na+ channels are closed. the inside of the cell is slightly negative compared to the outside.
4) the neuron receives a stimulus great enough to start an impulse.
5) gated na+ channels open. the net movement of na+ ions into the cell produces the action potential.
a. 4,5,3,1,2
b. 1,5,3,4,2
c. 3,1,5,4,2
d. 3,4,5,1,2

As global warming continues the ocean absorbs more of the earth's heat what term describes the ocean as a storage location for heat a) heat binb) heat sinkc) heat storaged) heat vent( answer this for me)

Humans are believed to have evolved in coastal regions in east africa. the region had an abundant supply of fish for early humanoids to eat. when scientists analyze the fads gene they see an interesting pattern. people whose families have lived in this area of east africa for generation show a high level of diversity in alleles for the fads gene. conversely, people whose families had migrated inland a moderate distance from sources of fish showed a much lower diversity for fads gene alleles. additionally, the fads alleles found in people whose family has lived inland for generation are almost all gene alleles which produce fads proteins with a high level of function and activity. how do anthropologists explain this?

Where can dna be found in a prokaryotic cell