Energy is used [Low] [High] This means it goes up or against a concentration gradient
What are the three types of active transport? 1. Protein pumps 2. Endocytosis 3. Exocytosis
Protein Pumps store Protein Pumps: proteins use energy to pull or pump materials into or out of the cell to stockpile or store substances the cell needs
Different Types of Membrane Proteins (page 126) TRANSPORTERSRECEPTORSENZYMES SIGNAL/ RECOGNITION
Different Types of Membrane Proteins (page 126) signal/recognition Enzymes receptor transporter 2. 3. 4. 5.
When a particle is engulfed into the cell. 2 types 1.Phagocytosis: When a cell wraps part of its membrane around a large particle forming a “pocket” or vesicle 2.Pinocytosis: The same process, but with smaller particles or liquids Endocytosis
1.A vesicle carrying a substance 2.fuses with the cell membrane 3.and releases the substance Exocytosis