Question

Prokaryotic cells are characterised by

A

Absence of nuclear envelope

B

Presence of nuclear envelope

C

Presence of distinct chromosome

D

Absence of chromatin material

Easy

Solution

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Correct option is
A

Absence of nuclear envelope

Prokaryotic cells are unicellular organisms that lack membrane-bound organelles such as mitochondria, Golgi complex. They also lack a true nucleus. The genetic material is not surrounded by a nuclear envelope. The genetic material without the nuclear envelope is called as the nucleoid. Example of a prokaryotic cell is bacteria. 
Thus, the correct answer is 'Absence of nuclear envelope.'

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