Question
Biology Question on biological classification
Bacterial ribosomes are present
A
in cytoplasm
B
on endoplasmic reticulum
C
on nuclear membrane
D
on cell wall
Answer
in cytoplasm
Explanation
Solution
Bacterial ribosomes are smal submicroscopic ribonucleoprotein entities having a size of 20 nm ? 14 - 15 nm and sedimentation coefficient of 70 S. They are of two type - free and fixed. Fixed ribosomes are attached to plasma membrane while free ribosomes are found in cytoplasmic matrix. As bacteria are prokaryotes, ER and nucleus are absent.