Answer
414.6k+ views
Hint: Ribosomal rRNA is involved in the synthesis of proteins present in ribosomes in the cytoplasm, endoplasmic reticulum, and nucleus. Ribosome biogenesis takes place in the nucleolus.
Complete answer:
The structural and functional unit of any living organism is the cell. A eukaryotic cell is a highly developed cell contains various cell organelles like mitochondria, endoplasmic reticulum, Golgi complex, ribosomes, nucleus, vacuoles, peroxisomes, etc. almost all of the organelles are membrane-bound except ribosomes. The nucleus of a eukaryotic cell and the prokaryotic cell contains genetic material in the form of chromatin and a dark stained structure called the nucleolus. It is also a non-membrane bound structure in the cell. mRNA is used in the synthesis of proteins which is present in nucleolus and ribosomes.
Additional information:
- Primary function of nucleoli in the nucleus is rRNA formation and production of ribosomes. These are the non-membrane bound organelles inside the cell that are involved in the synthesis of proteins.
- Ribosomes are of two types namely 70s ribosomes and 80s ribosomes. The 70s ribosomes are present in the prokaryotic cell whereas in the eukaryotic cell 80s ribosomes are seen.
- Ribosomes are also present in the mitochondria and on the surface of the endoplasmic reticulum called the rough endoplasmic reticulum.
So, the correct answer is ‘Ribosomes and nucleolus’.
Note: - 80s ribosomes contain 60s and 40s subunits whereas in 70s ribosomes contain 50s and 30s subunits.
- Ribosomes present in the mitochondria are 70s types are the components required for protein synthesis.
Complete answer:
The structural and functional unit of any living organism is the cell. A eukaryotic cell is a highly developed cell contains various cell organelles like mitochondria, endoplasmic reticulum, Golgi complex, ribosomes, nucleus, vacuoles, peroxisomes, etc. almost all of the organelles are membrane-bound except ribosomes. The nucleus of a eukaryotic cell and the prokaryotic cell contains genetic material in the form of chromatin and a dark stained structure called the nucleolus. It is also a non-membrane bound structure in the cell. mRNA is used in the synthesis of proteins which is present in nucleolus and ribosomes.
Additional information:
- Primary function of nucleoli in the nucleus is rRNA formation and production of ribosomes. These are the non-membrane bound organelles inside the cell that are involved in the synthesis of proteins.
- Ribosomes are of two types namely 70s ribosomes and 80s ribosomes. The 70s ribosomes are present in the prokaryotic cell whereas in the eukaryotic cell 80s ribosomes are seen.
- Ribosomes are also present in the mitochondria and on the surface of the endoplasmic reticulum called the rough endoplasmic reticulum.
So, the correct answer is ‘Ribosomes and nucleolus’.
Note: - 80s ribosomes contain 60s and 40s subunits whereas in 70s ribosomes contain 50s and 30s subunits.
- Ribosomes present in the mitochondria are 70s types are the components required for protein synthesis.
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