Definition. noun, plural: cell organelles. A membrane-bound compartment or structure in a cell that performs a special function. Supplement. A eukaryotic cell contains many organelles, for example, the nucleus, endoplasmic reticulum, golgi apparatus, mitochondria, and chloroplast (plastid).
Glucagon-like peptide-1 (GLP-1) is a neuropeptide and an incretin derived from the transcription product of the proglucagon gene.he known peripheral functions of GLP-1 include: 1  increases insulin secretion from the pancreas in a glucose-dependent manner. 2  increases insulin-sensitivity in both alpha cells and beta cells. 3  increases beta cells mass and insulin expression, PTM, and secretion.
EGTA (ethylene glycol-bis(Î²-aminoethyl ether)-N,N,N',N'-tetraacetic acid) is an aminopolycarboxylic acid, a chelating agent. It is a colourless solid that is related to the better known EDTA. Compared to EDTA, it has a lower affinity for magnesium, making it more selective for calcium ions.