To cross the synapse requires the actions of found at the tips of axons.

1.cell bodies
2.dendrites
3.neurotransmitters
4.none of the above

Agene editing technology called crispr-cas9 uses cellular machinery to change the cell's genetic material. how might this technology be useful in treating diseases like cancer?

Which line in the graph above best illustrates an effect of the carbon dioxide level in the blood on breathing rate before, during and after a period of exercise? 1.b,2.c,3.a,4.d

Which of the following terms would bb represent in an organism? a.phenotype b.genotype c.genetics