The spherical object within a cell which controls its activity is called the . vacuole cytoplasm epidermis nucleus

Your answer is nucleus.

Explanation:

The nucleus controls and regulates the activities of the cell (e.g., growth and metabolism) and carries the genes, structures that contain the hereditary information. Hope this helped :)

creative diagnostics provides a protocol for total protein extraction based on ripa which is widely used.

endo:

regulates body hormones, aldosterone, vasopressin

neural:

signal, regulates body using electric signals, reflex

endo has to do with hormones; aldosterone and vasopressin are both hormones. i also had this question and got it right : d