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What is the structure of a ribosome?

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Ribosomes are the protein factories of cells. They function by reading messenger RNA and translating the code to build proteins out of amino acid, which are the building blocks. Ribosomes have a flattened spherical shape with a diameter ranging between 15 to 25 nm. read more

When the ribosomes are attached to the same mRNA strand, this structure is known as polysome. The existence of ribosomes is temporary, after the synthesis of polypeptide the two sub-units separate and is reused or broken up. Amino acids are joined by the ribosomes at a rate of 200 per minute . read more

The ribosome is the cellular structure and location of translation, or protein synthesis. It is composed of rRNA and protein. Normally, ribosomes are in the cytoplasm as a small subunit that recognizes and binds to an mRNA transcript and a large subunit, which is recruited to the small subunit to translate the mRNA into protein. read more

The differences in structure allow some antibiotics to kill bacteria by inhibiting their ribosomes, while leaving human ribosomes unaffected. In bacteria and archaea, more than one ribosome may move along a single mRNA chain at one time, each "reading" its sequence and producing a corresponding protein molecule. read more

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