Which of the following is seen in both prokaryotes and eukaryotes:: (A) Mitochondria, (B) Ribosome, (C) Endoplasmic reticulum, (D) Lysosomes
Answer is B. Ans: b (Ribosomes) Ref: Ananthanarayan, 7th ed, p. 7Ribosomes are present in both prokaryotic and eukaryotic cells. ProkaryoticEukaryoticSizeSmallLarge 1000 to 10,000 timesCell wallRigidMembrane of lipid bilayerNucleusNot definedWell definedOrganellesNilSeveral-mitochondria lysosome etc.Muramic acidPresentAbsentSterolsAbsentPresentChromo somesOne (circular)More than one( linear)