In a young cell just produced by mitosis, the cellulose microfibrils are arranged in horizontal rings. Which of the following accurately explains how the cell will grow longer?

• A. The cell will expand horizontally in the same direction that the microfibrils are oriented.
• B. Water will enter the cell only at the ends lacking cellulose microfibrils.
• C. Enlargement of the vacuole will force the cell to grow evenly in all directions.
• D. None of the listed responses is correct.
• E. The bands of microfibrils will resist expansion, so the cell will enlarge at right angles to the ring of microfibrils.