Ribosomes, called Palade granules, are macromolecular machines, found within all cells, that perform biological protein synthesis .
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14 Facts About Ribosomes
2.
Ribosomes consist of two major components: the small and large ribosomal subunits.
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3.
Ribosomes bind to messenger RNAs and use their sequences for determining the correct sequence of amino acids to generate a given protein.
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4.
Ribosomes are ribozymes, because the catalytic peptidyl transferase activity that links amino acids together is performed by the ribosomal RNA.
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5.
Ribosomes are often associated with the intracellular membranes that make up the rough endoplasmic reticulum.
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RNA6.
Ribosomes were first observed in the mid-1950s by Romanian-American cell biologist George Emil Palade, using an electron microscope, as dense particles or granules.
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7.
Ribosomes consist of two subunits that fit together and work as one to translate the mRNA into a polypeptide chain during protein synthesis .
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8.
Ribosomes in chloroplasts are different: Antibiotic resistance in chloroplast ribosomal proteins is a trait that has to be introduced as a marker, with genetic engineering.
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9.
Ribosomes are minute particles consisting of RNA and associated proteins that function to synthesize proteins.
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10.
Ribosomes can be found floating within the cytoplasm or attached to the endoplasmic reticulum.
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11.
Ribosomes act as catalysts in two extremely important biological processes called peptidyl transfer and peptidyl hydrolysis The "PT center is responsible for producing protein bonds during protein elongation".
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12.
Ribosomes are the workplaces of protein biosynthesis, the process of translating mRNA into protein.
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13.
Ribosomes are sometimes referred to as organelles, but the use of the term organelle is often restricted to describing sub-cellular components that include a phospholipid membrane, which ribosomes, being entirely particulate, do not.
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14.
Ribosomes are compositionally heterogeneous between species and even within the same cell, as evidenced by the existence of cytoplasmic and mitochondria ribosomes within the same eukaryotic cells.
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