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B vitamins are a class of water-soluble vitamins that play important roles in cell metabolism and synthesis of red blood cells. [1] They are a chemically diverse class of compounds; some contain sulfur and B12 contains cobalt. [1] Dietary supplements containing all eight are referred to as a vitamin B complex.
Vitamin B12, also known as cobalamin, is a water-soluble vitamin involved in metabolism.[2] It is one of eight B vitamins. It is required by animals, which use it as a cofactor in DNA synthesis, and in both fatty acid and amino acid metabolism.[3] It is important in the normal functioning of the nervous system via its role in the synthesis of ...
- Readily absorbed in distal half of the ileum.
- liver
- C₆₃H₈₈CoN₁₄O₁₄P
The B-cell receptor (BCR) is a transmembrane protein on the surface of a B cell. A B-cell receptor includes both CD79 and the immunoglobulin. The plasma membrane of a B cell is indicated by the green phospholipids. The B- cell receptor extends both outside the cell (above the plasma membrane) and inside the cell (below the membrane).
B cells, also known as B lymphocytes, are a type of white blood cell of the lymphocyte subtype.[1] They function in the humoral immunity component of the adaptive immune system.[1] B cells produce antibody molecules which may be either secreted or inserted into the plasma membrane where they serve as a part of B-cell receptors.[2] When a ...
Rhodamine B is used in biology as a staining fluorescent dye, sometimes in combination with auramine O, as the auramine-rhodamine stain to demonstrate acid-fast organisms, notably Mycobacterium. Rhodamine dyes are also used extensively in biotechnology applications such as fluorescence microscopy , flow cytometry , fluorescence correlation spectroscopy and ELISA .
Penicillins ( P, PCN or PEN) are a group of β-lactam antibiotics originally obtained from Penicillium moulds, principally P. chrysogenum and P. rubens. Most penicillins in clinical use are synthesised by P. chrysogenum using deep tank fermentation [2] and then purified. [3] [4] A number of natural penicillins have been discovered, but only two ...
The Boeing B-47 Stratojet (Boeing company designation Model 450) is a retired American long- range, six-engined, turbojet -powered strategic bomber designed to fly at high subsonic speed and at high altitude to avoid enemy interceptor aircraft. The primary mission of the B-47 was as a nuclear bomber capable of striking targets within the Soviet ...
