Respuesta :
The endoplasmic reticulum is a network of membranous tubules within the cytoplasm of a eukaryotic cell, continuous with the nuclear membrane. It usually has ribosomes attached and is involved in protein and lipid synthesis.
The endoplasmic reticulum (ER) assumes a vital part in the modification of proteins and the synthesis of lipids. It comprises an organization of membranous tubules and flattened sacs. The circles and tubules of the ER are empty and hollow, and the space inside is known as the lumen.
The rough endoplasmic reticulum gets its name from the ribosomes connected to its cytoplasmic surface. As these ribosomes make proteins, they feed the recently shaping protein chains into the lumen. Some are moved completely into the ER and float inside, while others are secured in the film.
The smooth endoplasmic reticulum (smooth ER) is consistent with the rough ER yet has no ribosomes on its cytoplasmic surface. The functioning of the smooth ER includes the Synthesis of starches, lipids, and steroid chemicals, detoxification of drugs and toxic substances, and storage of calcium particles.
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