Biology HL

Chapter 7: Cell Control and Communication

Explain how cells detect, transmit and integrate information through receptors, neurons, synapses, hormones, feedback systems and plant growth regulators.

1 simulation entries

Signal-pathway workbench

Change ligand and receptor abundance, then compare a membrane-impermeable first messenger with an intracellular ligand.

Appears in: 7.1 Principles and Modes of Cell Signalling, 7.1 Receptors, Transduction and Feedback, 7.2 Action Potentials and Impulse Conduction, 7.2 Synapses and Neural Integration, 7.3 Animal Hormones and Blood-Glucose Control, 7.3 Hormone Action and Medical Use, 7.3 Plant Growth Regulators and Phototropism, Chapter Synthesis: From Detection to Coordinated Response

Detect · transduce · integrate · respond

Cell communication laboratory

Specificity → transduction → responsereceptorrelaykinasecell responseHydrophilic first messenger stays outside