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In molecular biology, messenger ribonucleic acid ( mRNA) is a single-stranded molecule of RNA that corresponds to the genetic sequence of a gene, and is read by a ribosome in the process of synthesizing a protein . mRNA is created during the process of transcription, where an enzyme ( RNA polymerase) converts the gene into primary transcript ...
A charge-off or chargeoff is a declaration by a creditor (usually a credit card account) that an amount of debt is unlikely to be collected. This occurs when a consumer becomes severely delinquent on a debt. Traditionally, creditors make this declaration at the point of six months without payment. A charge-off is a form of write-off .
Aminoacyl-tRNA (also aa-tRNA or charged tRNA) is tRNA to which its cognate amino acid is chemically bonded (charged). The aa-tRNA, along with particular elongation factors, deliver the amino acid to the ribosome for incorporation into the polypeptide chain that is being produced during translation. Alone, an amino acid is not the substrate ...
Membrane potential (also transmembrane potential or membrane voltage) is the difference in electric potential between the interior and the exterior of a biological cell. It equals the interior potential minus the exterior potential. This is the energy (i.e. work) per charge which is required to move a (very small) positive charge at constant ...
Credit card charge offs are on the rise in recent months. On the contrary, a credit card charge off means you are more than 180 days late on your payment and the credit issuer considers the debt ...
Eventually, the lactase will digest all of the lactose, until there is none to bind to the repressor. The repressor will then bind to the operator, stopping the manufacture of lactase. In genetics, a promoter is a sequence of DNA to which proteins bind to initiate transcription of a single RNA transcript from the DNA downstream of the promoter.
Endocytosis. Endocytosis is a cellular process in which substances are brought into the cell. The material to be internalized is surrounded by an area of cell membrane, which then buds off inside the cell to form a vesicle containing the ingested materials. Endocytosis includes pinocytosis (cell drinking) and phagocytosis (cell eating).
Gating (electrophysiology) An animated representation of the molecular structure of a simple ion channel. In electrophysiology, the term gating refers to the opening ( activation) or closing (by deactivation or inactivation) of ion channels. [ 1] This change in conformation is a response to changes in transmembrane voltage.