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A mutant plant has roots that grow in all directions. Which of the following organelles would you expect to be missing in the cell?Question 5Select one:a.mitochondriab.chloroplastsc.amyloplastsd.Golgi apparatus

Question

A mutant plant has roots that grow in all directions. Which of the following organelles would you expect to be missing in the cell?Question 5Select one:a.mitochondriab.chloroplastsc.amyloplastsd.Golgi apparatus

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Solution 1

The correct answer is c. Amyloplasts.

Amyloplasts are a type of organelle known as plastids, and they are responsible for the synthesis and storage of starch granules. In plant cells, they also have another very important function - gravity sensing. This allows the plant to orient its growth correctly, with roots growing downwards (gravitropism).

If a plant had a mutation that caused it to lack amyloplasts, its roots would not be able to sense gravity properly and could grow in all directions. Therefore, in a mutant plant with roots that grow in all directions, you would expect the amyloplasts to be missing.

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Solution 2

The correct answer is c. amyloplasts.

Amyloplasts are a type of organelle known as plastids, and they are responsible for the synthesis and storage of starch granules. In plant cells, they also have another crucial function - gravity sensing. This function allows plants to direct their growth (roots grow downwards, stems grow upwards). This phenomenon is known as geotropism or gravitropism.

If a plant had roots growing in all directions, it suggests that the plant's cells are missing these amyloplasts, as they are not correctly sensing gravity and thus not directing their growth in the usual manner.

So, the absence of amyloplasts would likely cause the observed disoriented growth.

This problem has been solved

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