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Question
An outer covering membrane is absent over
An outer covering membrane is absent over
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Solution
The correct option is D Nucleolus
- The nucleolus is a small, dense and spherical structure present in the nucleus of the cell which lacks a membrane and is visible during the interphase of the cell division under the microscope.
- This region is dense due to the presence of proteins, DNA and RNA which are formed from specific chromosomal regions called nucleolar organizing regions.
- Lysosome, mitochondria and plastids are membraned cell organelles present within a cell.
- So, the correct answer is 'Nucleolus'.
- The nucleolus is a small, dense and spherical structure present in the nucleus of the cell which lacks a membrane and is visible during the interphase of the cell division under the microscope.
- This region is dense due to the presence of proteins, DNA and RNA which are formed from specific chromosomal regions called nucleolar organizing regions.
- Lysosome, mitochondria and plastids are membraned cell organelles present within a cell.
- So, the correct answer is 'Nucleolus'.
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