No, the cell membrane regulates movement of materials into and out of cells.
Answer:
Answer is A signal is sent down an exon within a nerve cell.
Explanation:
I'd say to help the reader quickly locate geographic regions.
The results clearly reveal that Imipramine is by far more effective than Lithium in preventing the recurrence of depression. 62.16% of the patients taking Lithium had a recurrence of depression which is more than twice that of patients who took Imipramine (28.95%).
The results also question the effectiveness of Lithium in general since the percentage of patients who had a recurrence of depression in the Placebo group (67.65%) is only slightly higher than that of the Lithium group (62.16%).