SSC MTS EXAM

SSC

CHEMISTRY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What’s the difference between a prokaryotic cells and euykarotic cells?
A
Only prokaryotic cells have cytoplasm.
B
Only eukaryotic cells have a cell membrane.
C
Only prokaryotic cells have genetic material.
D
Only eukaryotic cells have membrane-bound organelles.
Explanation: 

Detailed explanation-1: -Eukaryotic cells are cells containing membrane-bound organelles and are the basis for both unicellular and multicellular organisms. In contrast, prokaryotic cells do not have any membrane-bound organelles and are always part of unicellular organisms.

Detailed explanation-2: -Eukaryotes are organisms whose cells contain a nucleus and other membrane-bound organelles.

Detailed explanation-3: -The lipid composition of prokaryotic and eukaryotic membranes differs considerably. Prokaryotic membranes have negatively charged lipids namely phosphatidylglycerol, cardiolipin and phosphatidylserine while the eukaryotic membranes are rich in neutral sphingomyelin and phosphatidylcholine.

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