Describe what is meant by photoperiodism
A response controlled by relative light and dark periods. The name of the receptors responsible for absorbing light are phytochromes. The photoperiodic stimulus is detected by the leaves of the plant.
AO
Related Biology A Level answers
All answers ▸How does DNA replication take place?
Describe the role of DNA polymerase in DNA replication
The genetic code is described as degenerate, universal and overlapping. Explain these terms.
Explain the process of oxidative phosphorylation and the electron transport chain in the production of ATP in respiration.