Which of the membranes (external cell or nuclear) can be connected

a) the endoplasmic reticulum penetrates the cytoplasm, connecting with the cell and nuclear membranes and the Golgi apparatus.
b) Golgi apparatus — the membranes of the Golgi apparatus are capable of incorporating into the outer plasma membrane.
c) lysosomes – since the hydrolytic enzymes of lysosomes provide intracellular digestion of all organic macromolecules, they must be well isolated from the rest of the cell contents. Normally, the lysosome membrane is impermeable to enzymes

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