explain why stem bend toward light?
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Answer:
Under normal light conditions auxins are spread out in the plant. But when sunlight varies, auxin is broken down on the sunnier side of the stem. The higher concentration of auxin on the shady side causes the plant cells on that side to grow more so it bends toward the light.
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Answer:
Due to phototropism.
Explanation:
When the plant cells sense light they secrete a phytohormone called auxin. It diffuses to the side of the stem away from sunlight and elongates the cells on that side. Thus the plant ie stem appears to bend towards light.
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