A plant physiologist applies a high concentration of auxin to a stem. Which of the following responses is least likely to occur?
Understand the Problem
The question asks about the effects of applying a high concentration of auxin to a plant stem. Auxin is a plant hormone that influences various growth and developmental processes. The question requires identifying the response that is least likely to occur given a high auxin concentration.
Answer
Abscission (leaf shedding) is least likely to occur.
Based on the search results, abscission (leaf shedding) is the least likely to occur when a high concentration of auxin is applied to a stem. Auxin can actually prevent abscission.
Answer for screen readers
Based on the search results, abscission (leaf shedding) is the least likely to occur when a high concentration of auxin is applied to a stem. Auxin can actually prevent abscission.
More Information
Auxin is a plant hormone that, depending on concentration and plant tissue, can promote stem elongation, cell division, and other growth processes. High concentrations of auxin can sometimes inhibit growth or have other specific effects.
Tips
It's important to remember that plant hormone effects are concentration-dependent, and can vary depending on the plant tissue.
Sources
- 4.4.1: Auxin - Biology LibreTexts - bio.libretexts.org
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