THE CELL
CELL THEORY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Prokaryotic cells evolved before eukaryotic cells.
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The mitochondria was once a prokaryotic cell.
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The centriole was once a prokaryotic cell.
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The chloroplast was once a prokaryotic cell.
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Detailed explanation-1: -So, the correct answer is ‘The presence of membrane proteins on prokaryote cell membrane’.
Detailed explanation-2: -"The exterior structure similar to bacterial cell walls” IS NOT an evidence in favour of the endosymbiotic theory.
Detailed explanation-3: -Explanation: Endosymbiotic theory had supported the fact that mitochondria have evolved in eukaryotes by the symbiotic association of bacteria. Mitochondria and bacteria differ in size is incorrect as the size of mitochondria and bacteria is approximately same.
Detailed explanation-4: -Which of the following relates to endosymbiosis/endosymbiotic theory? A tumor suppressor gene mutated in a cell and thus the protein made from that gene was no longer able to function properly.