Question

Why is auxin present in human urine?

Answer 1

Auxin:

1. Auxin is a plant growth regulator.
2. It is found at the tip of the stems.
3. It promotes flowering and stems elongation.
4. It prevents the early dropping of leaves and fruits.
5. It also induces parthenocarpy.

Auxin in human urine:

1. Auxin is indole-3-acetic acid.
2. It is produced as a result of metabolism in the human body.
3. When serotonin breaks down in the liver, it forms auxin.
4. It is then excreted via the urine.
5. Serotonin is synthesized from tryptophan which is how auxin is made in plants.