Describe the process of positive phototropism

Uneven distribution of the hormone auxin in a root tip whereby the plant hormone diffuses in the opposite direction from a source of light. This will trigger the differential growth and elongation of the plant cells not exposed to the light effectively making the plant grow in the direction of the light source.

Answered by Jack J. Biology tutor

3098 Views

See similar Biology GCSE tutors

Related Biology GCSE answers

All answers ▸

Describe why organisms may become extinct due to a change in the climate


a) What is the function of the atrioventricular valves? b) When the ventricles are contracting, are the arterioventricular valves open or closed? c) Explain why the muscle walls of the atria are thinner than the walls of the ventricles.


What is the origin of such a wide genetic variation among offspring?


Describe and explain how the secretion of ADH affects urine produced by the kidneys.


We're here to help

contact us iconContact usWhatsapp logoMessage us on Whatsapptelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo

© MyTutorWeb Ltd 2013–2025

Terms & Conditions|Privacy Policy
Cookie Preferences