The term 'suffix in cellular biology' can be solved by the crossword solution 'plasm'. Plasm is a term used in cellular biology to refer to the cytoplasm, which is the gel-like substance that fills the interior of a cell and contains the organelles. It is composed of water, salts, proteins, carbohydrates, lipids, and other molecules. Plasm is also used to refer to the genetic material of a cell, which is contained within the nucleus.