How are prokaryotic ribosomes different from eukaryotic ribosomes?
Answer
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Hint: Ribosomes are minute particles consisting of RNA and associated proteins that function to synthesize proteins. Proteins are needed for several cellular functions like repairing damage or directing chemical processes. Ribosomes are often found floating within the cytoplasm or attached to the endoplasmic reticulum.
Complete answer:
Ribosomes have two main functions — decoding the message and therefore the formation of peptide bonds. These two activities reside in two large ribonucleoprotein particles (RNPs) of unequal size, the ribosomal subunits.
Note: There are two sorts of ribosomes, free and glued (also referred to as membrane bound). they're identical in structure but differ in locations within the cell. Free ribosomes are located within the cytosol and are ready to move throughout the cell, whereas fixed ribosomes are attached to the RER.
Complete answer:
| Prokaryotic ribosomes | Eukaryotic ribosomes |
| Prokaryotic ribosomes are smaller (70S) | eukaryotic ribosomes are (80S). |
| Prokaryotic ribosomes contain 30S and 50S, the smaller unit and therefore the larger unit respectively whereas eukaryotic ribosomes have smaller subunit and bigger subunit as 40S and 60S respectively. | Eukaryotic cells have chloroplasts and mitochondria as organelles and people organelles even have ribosomes 70S. Therefore, eukaryotic cells have differing types of ribosomes (70S and 80S), whereas prokaryotic cells only have 70S ribosomes. |
| Prokaryotic ribosomes are made from three sorts of RNA and fifty sorts of protein. | Eukaryotic ribosome consists of eight sorts of protein and five sorts of RNA, |
| In prokaryotes, RNA is organized into three strands in ribosomes. | In eukaryotes, RNA in ribosomes has four strands. |
| Prokaryotic cells have only free morpheme | In eukaryotic cells, ribosomes are in free and bound morphemes. |
Ribosomes have two main functions — decoding the message and therefore the formation of peptide bonds. These two activities reside in two large ribonucleoprotein particles (RNPs) of unequal size, the ribosomal subunits.
Note: There are two sorts of ribosomes, free and glued (also referred to as membrane bound). they're identical in structure but differ in locations within the cell. Free ribosomes are located within the cytosol and are ready to move throughout the cell, whereas fixed ribosomes are attached to the RER.
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