science
Grade-10
Easy
Question
Which of the following shows absence of nuclear membrane?
- Green algae
- Red algae
- Cyanobacteria and bacteria
- None of these
Hint:
Cyanobacteria and bacteria are prokaryotes that do not have a nuclear envelope.
The correct answer is: Cyanobacteria and bacteria
- The prokaryotic cells do not have a definite membrane-bound nucleus.
- The genetic materials are distributed in the cytoplasm.
- The eukaryotic cells possess a membrane-bound nucleus.
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