Question

How does auxin affect the growth of plant stems?(1 point)
Responses

It builds up on the side of the stem that is away from the light source and stimulates growth.
It builds up on the side of the stem that is away from the light source and stimulates growth.

It builds up on the side of the stem that is away from the light source and inhibits growth.
It builds up on the side of the stem that is away from the light source and inhibits growth.

It builds on the side of the stem that faces the light source and stimulates growth.
It builds on the side of the stem that faces the light source and stimulates growth.

It builds up on the side of the stem that faces the light source and inhibits growth.

Answers

GPT-4o mini
The correct response is:

**It builds up on the side of the stem that is away from the light source and stimulates growth.**

This phenomenon is known as phototropism, where auxins accumulate on the shaded side of the stem, promoting cell elongation and causing the stem to bend toward the light source.