This document contains several summaries of biological concepts in short rhyming phrases or acronyms to help with memorization. It includes summaries of: - The G protein coupling for different receptor types - Functions of the Golgi complex - Causes of metabolic acidosis with normal anion gap - Sites of various metabolic reactions - The action and stoichiometry of the sodium-potassium pump - A hallmark of Tangier's disease - The four phases of cell division