During an action potential, depolarization occurs as a result of

K ions diffusing to the outside of the cell membrane
K ions diffusing to the inside of the cell membrane
Na ions diffusing to the outside of the cell membrane
Na ions diffusing to the inside of the cell membrane
Na and K ions not diffusing

African penguins, which inhabit the coasts of southern africa, were classified as an endangered species in 2010. two significant threats to their survival are ecosystem damage from oil spills and overfishing by humans. overfishing depletes the food supply of african penguins. the best method to reduce the threat of overfishing would be to . the risk of oil spills could be reduced by increasing the use of , which should oil consumption. if an oil spill does occur, could be used to remove the oil so the ecosystem may more quickly recover.

Which organelle breaks down sugar molecules that supply energy to the cell ?

Which nucleotide component contains nitrogen