Which of the following structures is not found in a prokaryotic cell ?
(a) Mesosome
(b) Plasma membrane
(c) Nuclear envelope
(d) Ribosome
(a) Mesosome
(b) Plasma membrane
(c) Nuclear envelope
(d) Ribosome
1 Answer
Ans : (c) Nuclear envelope
Explanation :
Prokaryotes are the primitive organisms which lack membrane-bounded organelles and nucleus. A nuclear membrane, also known as the nuclear envelope, nucleolemma or karyotheca, is the double lipid bilayer membrane, which surrounds the genetic material and nucleolus in eukaryotic cells.