abrin उदाहरण वाक्य
उदाहरण वाक्य
- Ehrlich rejected inheritance in the genetic sense because the offspring of a male mouse immunized against abrin and an untreated female mouse were not immune to abrin.
- The plant is best known for its seeds, which are used as beads and in percussion instruments, and which are toxic because of the presence of abrin.
- The later signs and symptoms of exposure are caused by abrin's cytotoxic effects, killing cells in the kidney, liver, adrenal glands, and central nervous system.
- Initial symptoms of abrin poisoning by inhalation may occur within 8 hours of exposure but a more typical time course is 18 24 hours; they can prove fatal within 36 72 hours.
- The toxin abrin is a subunits, termed A and B . The B chain facilitates abrin's entry into a cell by bonding to certain transport proteins on cell membranes, which then transport the toxin into the cell.
- The toxin abrin is a subunits, termed A and B . The B chain facilitates abrin's entry into a cell by bonding to certain transport proteins on cell membranes, which then transport the toxin into the cell.
- By attaching to a carbohydrate chain on the cell surface, the abrin molecule anchors itself to the cell, is subsequently engulfed and enters the inner parts of the cell where it reacts with a ribosomal subunit and interferes with the normal protein synthesis process of the cell.
- Among the RIPs are some of the most toxic molecules known, including ricin and abrin ( the latter is the poison preferred by the characters in " enzymatically inactivate the ribosomes, shutting down protein synthesis and resulting in cell death, and eventually causing death of the victim.
- But the depth of Hutchkinson's antagonism is unmistakable : he suggests that readers kill Catholics by soaking their rosary beads in Phytotoxin abrin, a toxin derived from a rare bean; he writes that botulinum is " fun and easy to make "; and he urges survivalists around the world to hone their skills, readying themselves for biological warfare in the coming Armageddon.
- Symptoms are identical to those of ricin, except abrin is more toxic by almost two orders of magnitude; the fatal dose of abrin is approximately 1 / 75th that of the fatal dose of ricin ( though the abrin in ingested seeds may be absorbed much more slowly than the ricin in " Ricinus communis " even if the seeds are chewed and the coat penetrated, allowing time for successful rescue efforts in at least some cases . ) Abrin has an of only 0.56 ?g / kg in mice, and Kingsbury lists a toxic dose in humans at 0.00015 % body weight, or approximately 0.1 mg for a 150 lb human.