Ribosomes translating RNA strand
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Science History Images / Alamy Stock PhotoImage ID:
HRF7KRFile size:
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3922 x 2610 px | 33.2 x 22.1 cm | 13.1 x 8.7 inches | 300dpiPhotographer:
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Translation of mRNA. Colored transmission electron- micrograph (TEM) of ribosomes translating a messenger RNA (mRNA) strand for protein synthesis. Ribosomes (round, colored black) form a chain, seen here. Attached to them is a hair-like mRNA strand. mRNA is a molecule of ribonucleic acid which carries instructions to make proteins, as coded by a gene. Ribosomes move along the mRNA strand while reading these genetic instructions. Ribosomes are then responsible for making the protein which has been coded. A protein consists of a chain of amino acids arranged into a sequence and joined by peptide bonds. Magnification: unknown.