Is the Oxford comma necessary?
While the Oxford comma is no longer necessary, it often clears up any miscommunication while reading. For example, one will read "You should go eat, Mom." differently than "You should go eat Mom." So, commas such as the Oxford comma can totally change the meaning of the sentence.
What are the two major steps of oxidative phosphorylation?
Step one is the electron transport chain. Step two is Chemiosmosis.
What are the muscles of the jaw?
The temporalis, lateral pterygoid, and the masseter.