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Question
Assertion :True nucleus is absent in E.coli and other prokaryotes Reason: An undifferentiated, unorganized, fibrillar nucleoid without any limiting membrane is found in prokaryotic cells
Assertion :True nucleus is absent in E.coli and other prokaryotes Reason: An undifferentiated, unorganized, fibrillar nucleoid without any limiting membrane is found in prokaryotic cells
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Solution
The correct option is A Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
Prokaryotes are unicellular organisms. They lack membrane-bound organelles like mitochondria, Golgi complex. They also lack a true nucleus. Instead, they have nucleoid or incipient nucleus. Nucleoid is an undifferentiated, unorganised, fibrillar nucleus without any limiting membrane. Examples of bacteria include E. coli, cyanobacteria etc. Hence, assertion and reason both are correct and the reason is the correct explanation for the given assertion. Thus, the correct answer is 'Both Assertion and Reason are correct and Reason is the correct explanation for Assertion.'
Prokaryotes are unicellular organisms. They lack membrane-bound organelles like mitochondria, Golgi complex. They also lack a true nucleus. Instead, they have nucleoid or incipient nucleus. Nucleoid is an undifferentiated, unorganised, fibrillar nucleus without any limiting membrane. Examples of bacteria include E. coli, cyanobacteria etc. Hence, assertion and reason both are correct and the reason is the correct explanation for the given assertion.
Thus, the correct answer is 'Both Assertion and Reason are correct and Reason is the correct explanation for Assertion.'
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