Respuesta :
Hormones released down the stem from the tip of the stem inhibit stem expansion when exposed to light. The hormones do not impede stem growth in the dark. Seeds growing in the dark rely on chemical energy stored in their cells (lipids, proteins, and carbohydrates) to fuel their growth.
- Topic: March Phenomenon
Answer:
The light slows stem elongation by sending hormones down the stem from the tip of the stem.
Explanation:
Hormones do not slow stem elongation in the dark. Dark-grown seeds rely on the chemical energy stored within their cells (lipids, proteins, carbohydrates) to power their growth.
referenced from https://stemeducation.nd.edu/
