Question
Biology Question on Cell: the unit of life
The surface of the Endoplasmic Reticulum (ER) is covered with :
A
ribosome
B
DNA
C
RNA
D
glucose
Answer
ribosome
Explanation
Solution
The correct answer is A:ribosome
It is covered with ribosomes. The endoplasmic reticulum can be smooth or rough. Rough endoplasmic reticulums have ribosomes that help in the protein synthesis, and also help in their transportation. It is also called RER. Another is the smooth endoplasmic, then helps in lipid synthesis and detoxification.