What is phototropism?
Q: What is phototropism?
A: Phototropism is growth in the direction of light.
Q: What organisms can display phototropism other than plants?
A: Fungi can also display phototropism.
Q: What is the plant growth hormone that causes phototropism to occur?
A: The plant growth hormone that causes phototropism to occur is called auxin.
Q: What happens to the cells on the farthest side from the light in a plant displaying positive phototropism?
A: The cells on the farthest side from the light in a plant displaying positive phototropism have elongated cells.
Q: What is the difference between positive and negative phototropism?
A: Growth towards a light source is a positive phototropism, while growth away from light is called negative phototropism.
Q: What is the phenomenon called when vine shoot tips grow towards dark, solid objects?
A: The phenomenon called when vine shoot tips grow towards dark, solid objects is negative phototropism.
Q: Which receptors in plants are responsible for directing phototropism in Arabidopsis thaliana?
A: Blue light receptors called phototropins are responsible for directing phototropism in plants such as Arabidopsis thaliana.
