Answer
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Hint: They are the distinct structures present within the nucleus of eukaryotic cells. It’s one of the most important components of the nucleus. It participates in the alteration of transfer RNA and sensing cellular stress. They’re composed of RNA and proteins, which form around specific chromosomal regions.
Complete answer:
Ribosome units are synthesized during a eukaryotic cell inside the nucleolus. The nucleolus is considered the brain of the nucleus, covering nearly 25 percent volume of the nucleus. Primarily, it takes part in the production of subunits that unites to make ribosomes. Hence, nucleolus plays a very important role within the synthesis of proteins and within the production of ribosomes in eukaryotic cells.
Additional Information:
Ribosomes are referred to as protein factories because they're the site of protein synthesis. They’re composed of ribonucleic acids and proteins. The eukaryotic ribosomes are the 80S type (with 60S- large subunit and 40S- small subunit. During a eukaryotic cell, ribosome synthesis takes place both within the cytoplasm of the cell and also within the nucleolus present within the nucleus. The genes that code for ribosomal proteins are transcribed within the cytoplasm and are then transported to the nucleolus.
In the nucleolus, the transcription and processing of rRNA happen and it also helps in assembling the ribosome.
So, the correct answer is option (b) 'Nucleolus'.
Note: The ribosomes were discovered by American cell biologists Christian de Duve, Albert Claude, and George Emil Palade within the year 1974. Ribosomes are found in every single living cell on this planet. These cell organelles are found both within the eukaryotic and prokaryotic cells, including within the animal cell, plant cell, and also within human blood cells. If the nucleolus didn’t exist, there would be no manufacturing of ribosomes and there would be no synthesis of proteins.
Complete answer:
Ribosome units are synthesized during a eukaryotic cell inside the nucleolus. The nucleolus is considered the brain of the nucleus, covering nearly 25 percent volume of the nucleus. Primarily, it takes part in the production of subunits that unites to make ribosomes. Hence, nucleolus plays a very important role within the synthesis of proteins and within the production of ribosomes in eukaryotic cells.
Additional Information:
Ribosomes are referred to as protein factories because they're the site of protein synthesis. They’re composed of ribonucleic acids and proteins. The eukaryotic ribosomes are the 80S type (with 60S- large subunit and 40S- small subunit. During a eukaryotic cell, ribosome synthesis takes place both within the cytoplasm of the cell and also within the nucleolus present within the nucleus. The genes that code for ribosomal proteins are transcribed within the cytoplasm and are then transported to the nucleolus.
In the nucleolus, the transcription and processing of rRNA happen and it also helps in assembling the ribosome.
So, the correct answer is option (b) 'Nucleolus'.
Note: The ribosomes were discovered by American cell biologists Christian de Duve, Albert Claude, and George Emil Palade within the year 1974. Ribosomes are found in every single living cell on this planet. These cell organelles are found both within the eukaryotic and prokaryotic cells, including within the animal cell, plant cell, and also within human blood cells. If the nucleolus didn’t exist, there would be no manufacturing of ribosomes and there would be no synthesis of proteins.
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