Biology 9700 · AS & A Level · Movement into and out of cells

Movement into and out of cells — practice question

If a plant cell wall is removed by enzyme digestion, the result is an intact membrane-bound structure known as a protoplast. Which statement explains why protoplasts are easily damaged?

  • AMitochondria stop producing ATP to maintain membrane integrity.
  • BNet movement of water is no longer limited by turgor.
  • CSecretory vesicles are unable to fuse with the cell surface membrane.
  • DThe shape of the cell structures is changed by the loss of cell shape.

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