Endoplasmic Reticulum
Endoplasmic Reticulum
Endoplasmic Reticulum (ER)
The endoplasmic reticulum is a network of tube-like structures running through the cytoplasm. Some parts are connected to the nuclear membrane, while others are connected to the cell membrane. The Endoplasmic Reticulum membrane is similar in structure to plasma membrane. It occurs in Three forms; cisternae, vesicles and tubules. It is of two types: Rough and Smooth Endoplasmic Reticulum.
Rough Endoplasmic Reticulum (RER) : It contains ribosomal substances because of which its surface is rough. The ribosomes are the sites of protein synthesis. RER s mainly formed of cisternae.
Which of the following are correct ? (a) The function of endoplasmic reticulum gives internal support to the cytoplasm. (b) Smooth endoplasmic reticulum helps to manufacture protein . | |||
| Right Option : A | |||
| View Explanation | |||
What part of the cell does serves as the intracellular highway? | |||
| Right Option : A | |||
| View Explanation |
Assertion (A) : Endoplamic reticulum acts as circulatory system. Reason (R) : Endoplamic reticulum functions as cytoskeleton. | |||
| Right Option : B | |||
| View Explanation | |||
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