Ribosomes

Science / Genetics / Ribosomes: Small cellular components composed of specialized ribosomal rna and protein: site of protein synthesis. See ribonucleic acid (rna).

Transfer RNA (TRNA)

Science / Genetics / Transfer RNA (TRNA): A class of rna having structures with triplet nucleotide sequences that are complementary to the triplet nucleotide coding sequences of mrna. The role of trnas in protein synthesis is to bond with ami MORE

Ribosomal RNA (RMA)

Science / Genetics / Ribosomal RNA (RMA): A class of rna found in the ribosomes of cells. MORE

Prokaryote

Science / Biology / Prokaryote: Type of cell that lacks a membrane-bound nucleus and has no membrane organelles; a bacterium. Prokaryotes are more primitive than eukaryotes. Cells lacking membrane-bound organelles and having a singl MORE

Endoplasmic Reticulum (ER)

Science / Biology / Endoplasmic Reticulum (ER): A network of membranous tubules in the cytoplasm of a cell; involved in the production of phospholipids, proteins, and other functions. Rough ER is studded with ribosomes; smooth ER is not. MORE

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