Question

phosphorylating a molecule is simply a powerful way of saying:
adding a phosphate
removing a phosphate
rewatch

Explanation:

Phosphorylation is a biochemical process. The term "phosphorylating" specifically refers to the addition of a phosphate group ($\text{PO}_4^{3 - }$) to a molecule. This is a fundamental concept in biochemistry, often involved in energy transfer (like in ATP - ADP cycle) and regulation of protein function.

Answer:

Adding a Phosphate