C2.1 Chemical signalling (HL)

C2.1.1 Receptors

C2.1.2 Cell signalling by bacteria in quorum sensing

C2.1.3 Hormones, neurotransmitters, cytokines and calcium ions

C2.1.4 Chemical diversity of hormones and neurotransmitters

C2.1.5 Localized and distant effects of signalling molecules

C2.1.6 Transmembrane receptors VS Intracellular receptors

C2.1.7 Initiation of signal transduction pathways by receptors

C2.1.8 Transmembrane receptors for neurotransmitters and changes to membrane potential

C2.1.9 Transmembrane receptors that activate G proteins

C2.1.10 Mechanism of action of epinephrine (adrenaline) receptors

C2.1.11 Transmembrane receptors with tyrosine kinase activity

C2.1.12 Intracellular receptors that affect gene expression

C2.1.13 Effects of the hormones oestradiol and progesterone on target cells

C2.1.14 Regulation of cell signalling pathways by positive and negative feedback