dingerbugal1993
Answered

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If a plant is grown in the absence of gravity, which type of phototropism will its roots exhibit, and where will auxin accumulate?
(1 point)
o positive phototropism; auxin will accumulate on the side nearest to the light source
O negative phototropism, auxin will accumulate on the side away from the light source
O positive phototropism; auxin will accumulate on the side away from the light source
O negative phototropism; auxin will accumulate on the side nearest to the light source

Sagot :

darrell235

Answer:

positive phototropism

Explanation:

normally, roots exhibit negative phototropism and positive geotropism. but with the absence of gravitational force, there's no way there will be negative geotropism

luisvaschetto

If a plant is grown in the absence of gravity, roots will exhibit NEGATIVE PHOTOTROPISM, and auxin hormone will accumulate on the side away from light.

  • Phototropism can be defined as the growth or movement of an organism (e.g., a plant) in response to light stimuli.

  • Phototropism may be caused by specific stimuli and chemicals such as hormones.

  • Positive phototropism occurs when a plant (or its parts) grows towards the light source, whereas negative phototropism occurs when a plant grows away from the light source.

  • In conclusion, if a plant is grown in the absence of gravity, roots will exhibit negative phototropism, and auxin hormone will accumulate on the side away from light.

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