The place where the ancestral linage splits on a cladogram
Fertilization usually occurs in the fallopian tube.
<span>The right answer is: they work by blocking sodium channels in the cell membrane.
These drugs are used systemic and not local.
</span>they block sodium channels in the cell membrane in the synapses between neurons, and not along axons.
Many drug acts by blocking sodium channel, in a specific location, like antiepileptics in the nervous system, and digoxin and antiarrhythmic in the heart.
The cell cycle is the replication of reproduction of cells, whether in eukaryotes or prokaryotes. It is important to organisms in many different ways, but overall it allows them to survive. For prokaryotes, the cell cycle, called binary fission, allows for them to live on by dividing into two new daughter cells. ( I hope this helped if you are doing this on computer you can copy & paste it. )