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Which of the following layers of cell wall is found closest to the plasma membrane

Option: 1

Middle lamella

Option: 2

Primary wall

Option: 3

Tertiary wall

Option: 4

Secondary wall

Answers (1)


A cellulosic cell wall is characteristic of all plant cells. Primary wall is the first laid cell wall while a secondary wall is laid inner to the primary wall. Middle lamella is present between adjacent plant cells while tonoplast term is used to refer the membrane of the large central vacuole in a plant cell. The plasma membrane is present nearest to the secondary cell wall of a plant cell. Thus, the correct answer is option d.

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