OCR A-level Biology A H420 · 5.1.1(b)

Cell signalling

Code: 5.1.1(b)
In: 5.1.1 Communication and homeostasis
Topic: 5 Communication, homeostasis and energy
Course: A-level Biology A H420
Board: OCR

Codes and titles are read by a script from OCR's published specification and have not been checked by a person. What each point covers is in the specification itself: OCR’s specification.

Points in 5.1.1 Communication and homeostasis

5.1.1(a) Why multicellular organisms need communication systems
5.1.1(b) Cell signalling
5.1.1(c) Principles of homeostasis
5.1.1(d) Temperature control in ectotherms and endotherms