Replace your flint on a butane lighter. The flint is the piece of equipment that creates the spark. It's tiny black cylinder about a quarter inch long. To replace the flint, remove the metal surrounding the flame and the spark wheel. You'll have to twist it out of position.
Intrinsic factor (IF), also known as gastric intrinsic factor (GIF), is a glycoprotein produced by the parietal cells of the stomach.It is necessary for the absorption of vitamin B12 (cobalamin) later on in the small intestine. In humans, the gastric intrinsic factor protein is encoded by the GIF gene.t is necessary for the absorption of vitamin B12 (cobalamin) later on in the small intestine. In humans, the gastric intrinsic factor protein is encoded by the GIF gene.
transcription factor / transcription factors. Transcription factors are proteins involved in the process of converting, or transcribing, DNA into RNA.Transcription factors include a wide number of proteins, excluding RNA polymerase, that initiate and regulate the transcription of genes.ranscription factors include a wide number of proteins, excluding RNA polymerase, that initiate and regulate the transcription of genes.