IB Biology Topic C2.1: Chemical Signalling Notes

C2.1.1 Receptors

3 minute read

C2.1.2 Cell signalling by bacteria in quorum sensing

11 minute read

C2.1.3 Hormones, neurotransmitters, cytokines and calcium ions

7 minute read

C2.1.4 Chemical diversity of hormones and neurotransmitters

6 minute read

C2.1.5 Localized and distant effects of signalling molecules

9 minute read

C2.1.6 Transmembrane receptors VS Intracellular receptors

6 minute read

C2.1.7 Initiation of signal transduction pathways by receptors

7 minute read

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

8 minute read

C2.1.9 Transmembrane receptors that activate G proteins

7 minute read

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

8 minute read

C2.1.11 Transmembrane receptors with tyrosine kinase activity

6 minute read

C2.1.12 Intracellular receptors that affect gene expression

5 minute read

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

9 minute read

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

10 minute read