A cellular organelle is a structure in the cell that performs a specific function.
Nucleus - stores cell's DNA; DNA replication occurs here
Ribosome - produce protein; "factories" of the cell
Mitochondria - breaks down food for energy to be used by the cell; "powerhouse" of the cell
Vacuole - store materials such as food, water, sugar, minerals, and waste products
Endoplasmic reticulum - carry materials throughout the cell; "transport system"
Most enzymes end with the suffix -ase. Example: ligase, protase, maltase, Of course there are few exceptions like pepsin.
The study of your brain and mental illnesses and understanding how the brain functions.