UNE: PHSL 1010 Exam 1 Study Guide

UNE: PHSL 1010 Exam 1 Study Guide 1. integral proteins Penetrate the hydrophobic interior of the lipid bilayer. Com - merce via facilitated or active. 2. peripheral pro- tein A protein loosely bound to the surface of a membrane or to part of an integral protein and not embedded in the lipid bilayer. 3. Carbohydrate group Linked with protein or lipids and function as adhesion. 4. Cholesterol Steroid common in cell membranes, also in many hor- mones. Functions as support make the membrane more rigid and less soluble. 5. Structural pro- tein used for support such as connective tissue and keratin that forms hair and finger nails UNE: PHSL 1010 Exam 1 Study Guide 6. enzyme (protein) A type of protein that speeds up a chemical reaction in a living thing 7. receptor protein Membrane protein with carbohydrates attached that helps cells identify "self" and plays a role in blood types, organ transplants, and germ recognition. 8. carrier protein A membrane protein, specifically a transport protein, that holds onto molecules and changes their shapes in a way that shuttles them across the membrane. 9. adhesion pro- teins membrane proteins that form junctions between adjacent cells