The cell organelle which occurs in form of interconnected membranous tubules is:
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nucleus
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mitochondria
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plastids
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endoplasmic reticulum
D
Correct answer
Explanation
It is an ultra-microscopic network of interconnected membranous tubules present throughout the cytoplasm. It is present in almost all eukaryotic cells. It is formed of three types of elements; cisternae, tubules and vesicles. All the elements of endoplasmic reticulum freely communicate with each other and contain a fluid called endoplasmic matrix.