In an investigation of how substances move through a plant, a ring of tissue that includes the outer region of the transport tissue is cut away, as shown. Which statement accounts for the formation of a swelling in the stem?
- APhloem has been removed causing a build up of sucrose and amino acids.
- BPhloem has been removed causing a build up of water and mineral ions.
- CXylem has been removed causing a build up of sucrose and amino acids.
- DXylem has been removed causing a build up of water and mineral ions.