Question

what are endoplasmic reticulum?

NCERT Book very important.

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Answer 1

$\huge{ \bold{ \underline{Endoplasmic \: Reticulum :}}}$

⏱ The endoplasmic reticulum consists of interconnected channels of vesicles and tubules in the cytoplasmic matrix.

⏱ The name endoplasmic reticulum was first used by Porter & Kaliman in 1952

⏱ It is found in eukaryotic cells.

⏱ Endoplasmic reticulum functions as a manufacturing and packaging system Depending upon the presence and the absense of ribosomes the endoplasmic reticulum has become differentiated into 2 types :

Rough Endoplasmic Reticulum &

Smooth Endoplasmic Reticulum

⏱ Endoplasmic Reticulum are connected on one side to the nuclear membrane & on the other side to the plasma membrane.

$\huge{ \mathfrak{Functions \: Of \: Endoplasmic \: Reticulum}}$

⏱ It provides mechanical support.

⏱ It facilitates exchange of materials between the cells & its surroundings.