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

Responses

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

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

1 answer

The correct response is:

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

This process is known as phototropism, where auxin moves to the shaded side of the stem, promoting cell elongation on that side and causing the stem to bend toward the light.