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zvonat [6]
3 years ago
7

In this scenario, the plant on the left has an opaque cap that only covers the coleoptile (shoot tip), while the plant on the ri

ght has an opaque band covering 2 cm away from the shoot tip. Predict what would happen to each plant based on the concepts of phototropism.
Biology
1 answer:
denis23 [38]3 years ago
4 0

Answer:

The plant on the left does not accumulate significant photochlorophyll or carotenoids, so it will become very pale on the shoot tip, while the plant on the right will continue to grow upward as auxin is uniformly distributed around the tip of the right plant.

Explanation:

Phototropism is the orientation of a plant in response to light, either towards the source of light or away from light. Positive phototropism is growth towards light, while negative phototropism is away from light.

Auxin are substances that promote and regulate the growth and development of plants. Auxin escapes light making the area in the shade elongate more so the plant tip moves towards the light.

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