AQA A2 Biology Student Unit Guide New Edition: Unit 5 Control in Cells and in Organisms

Martin Rowland has taught and examined A-level Biology for over 30 years and is co-author of the successful titles AQA Biology for AS and AQA Biology for A2, published by Hodder Education.

Content Guidance How organisms detect and respond to changes in their environment How organisms coordinate their responses to stimuli Skeletal muscle: a key effector in mammals Homeostasis and feedback systems The genetic code, protein synthesis and gene mutation The control of gene action Gene cloning technology and its applications Questions & Answers Q1 Hormone action Q2 Action potentials Q3 Protein synthesis Q4 The polymerase chain reaction Q5 Gene cloning technology and its applications Q6 The control of gene action Q7 Auxins Q8 Skeletal muscle Q9 Receptors and transmission of information through the nervous system Q10 Homeostasis