Vital Processes at the Molecular Level

Subject Outline

AThe cell membrane
- 1The nature of membranes
- 2Compartmentalization of the cell
- 3Movement of water across cell membranes: osmosis
- 4Movement of solutes through membranes in response to a concentration gradient
- 5Movement of solutes through membranes independent of concentration gradients: active transport, pinocytosis
BBioelectricity
CThe nerve impulse
- 1The structure of the neuron
- 2Characteristics of artificially stimulated nerve fibres
- 3Nature of the nerve impulse
- 4Transmission of the nerve impulse: the synapse
DMuscle contraction
- 1Contractile or motile activity of some type as a characteristic of all living things
- 2Striated, or skeletal, muscle in higher animals
- 3Cardiac muscle
- 4Smooth muscle
EBioluminescence
- 1The significance of bioluminescence in behaviour, metabolism, and research
- 2The range and variety of bioluminescent organisms