Chapter 164 of 2363 min read

Cell membrane, cell wall and endomembrane system

Why this is asked: Keep wall and membrane separated by function, not just position: the cell wall is freely (fully) permeable and never itself controls what enters or leaves, while it's the plasma membrane underneath that is selectively permeable — crediting the wall with selective transport is the standard trap.

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Test yourself

•Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A): The primary function of the Golgi apparatus is to package the materials made by the endoplasmic reticulum and deliver them to intracellular targets and outside the cell. Reason (R): Vesicles containing materials made by the endoplasmic reticulum fuse with the cis face of the Golgi apparatus, and they are modified and released from the trans face of the Golgi apparatus. In the light of the above statements, choose the correct answer from the options given below:

Open this in the full syllabus view · Botany

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