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Sort the following structures as they appear from the outside to the inside of a typical plant cell.

publish date: 2026/06/15 09:06:7.663805 UTC

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Arrange the following plant cell layers and structures in order from the outermost to the innermost.

Cytoplasm
Plasma membrane
Tonoplast (vacuole membrane)
Cell sap (vacuole interior)
Cell wall

Correct Answer

(1) Cell wall
(2) Plasma membrane
(3) Cytoplasm
(4) Tonoplast (vacuole membrane)
(5) Cell sap (vacuole interior)

Explanation

From outside to inside in a typical plant cell:

  1. Cell wall - rigid outer layer of cellulose
  2. Plasma membrane - the selective barrier just inside the cell wall
  3. Cytoplasm - the fluid interior containing organelles
  4. Tonoplast - the membrane surrounding the central vacuole
  5. Cell sap - the aqueous fluid inside the vacuole

Reference

Biology: A Self-Teaching Guide

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