Which of the Following Have Unevenly Thickened Primary Walls That

question 67

Multiple Choice

Which of the following have unevenly thickened primary walls that support young,growing parts of the plant and provide flexibility?

• A)parenchyma cells
• B)collenchyma cells
• C)sclerenchyma cells
• D)tracheids and vessel elements
• E)sieve-tube elements

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