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What is a tonoplast...

What is a tonoplast

A

Outer membrane of mitochondria

B

Inner membrane of chloroplast

C

Membrane boundary of the vacuole of plant cells

D

Cell membrane of a plant cell

Text Solution

Verified by Experts

Tonoplast In plant cell the vacuole in bound by single membrane called tonoplast. The tonoplast facilitates the transport of ions and other material against the concentrat ion gradient into the vacuole. Hence their concentration is higher in the vacoule than in the cytoplasm.
The outer membrane of mitochondria is formed of porin proteins and inner membrane bounds of chloroplast the stroma
The cell membrane of the plant cell is not a tonoplast. It is simple biological/unit membrane present in every cellular organism.
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