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 can I find the frequency of genotype Bb in a population given that the frequency of BB is 0.49? (Where B = dominant allele, b = recessive allele on the same gene).
Describe the process of transcription.
Describe the function of carrier proteins in a cell surface membrane
Describe the way solutes are transported in a plant's vascular system