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Interdigitations

Movement of ....

Question

Movement of .......... in cytoplasm is considered as a signalling activity for metabolic processes.

A

Calcium ions

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B

Proteins

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C

Sodium ions

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D

Potassium ions

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Solution

The correct option is D Calcium ions
Movement of calcium ions in and out of the cytoplasm is thought to be a signalling activity for metabolic processes. In plants, movements of the cytoplasm around vacuoles are known as cytoplasmic streaming.
Hence the correct option is A.

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