Respuesta :

Answer:

Endoplasmic reticulum (ER), in biology, a continuous membrane system that forms a series of flattened sacs within the cytoplasm of eukaryotic cells and serves multiple functions, being important particularly in the synthesis, folding, modification, and transport of proteins

Explanation:

Zizim

Answer:

it is a network of membraous canaliculi ,it extends through all the parts of the cytoplasm and attaches to the nuclear envelope and cell membrane

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