Outline Neuronal excitability Nature of neuronal electrical signals Convey information over distances Convey information to other cells via synapses Signals.
The Cell Membrane and Movements of Molecules The Plasma Membrane The Plasma Membrane (aka cell membrane) The Plasma Membrane (aka cell membrane) Boundary.
BIOLOGY TOPIC 13. 13.1.1 Outline the wide diversity in the plant kingdom as exemplified by the structural differences between bryophytes, filicinophytes,
MOVING MATERIALS INTO AND OUT OF CELLS. MATERIAL MOVEMENT PASSIVE TRANSPORT ACTIVE TRANSPORT.
CELL PROCESSES What keeps them alive? Moving Cellular Materials Cells have a _____ membrane that regulates what goes into or out of the cell. Passive.
Water Resources. n Hydrosphere: All the water at or near the surface of the earth n Amount of water essentially constant and moves between different reservoirs.
1 GLOBAL INDUSTRIES Chapter 5 Lecture 1. 2 Global Industries Borders are blurred –Among nations –Between competitors & collaborators –Between and among.
EK 2B2 Growth and dynamic homeostasis are maintained by the constant movement of molecules across membranes.
Unit 3 A Biological Bases of Behavior Neural Processing and the Endocrine System.
Membrane Structure and Function. Passive Transport.
Section 4-1 What is homeostasis? Cells maintain homeostasis by controlling the movement of substances across the cell membrane.
The Plant Cell and the Cell Cycle Chapter 3. Cell Basic unit of plant structure and function Robert Hooke –Looked at cork tissue under microscope –“little.
