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The deathstalker is one of the most dangerous species of scorpions. [ 10 ] [ 11 ] Its venom is a powerful mixture of neurotoxins , with a low lethal dose . [ 12 ] While a sting from this scorpion is extraordinarily painful, it normally would not kill a healthy adult human.
Scorpions reproduce sexually. The first phase of the reproduction cycle begins in late spring and early autumn. It begins with finding a mate. The male will leave his den and begin searching for a mature female. The male will dig at the entrance of her den until she appears. The combination of pheromones and vibrations are what makes the female ...
Leiurus jordanensis adult female in captivity. Leiurus is a genus of scorpion of the family Buthidae.The most common species, L. quinquestriatus, is also known under the common name Deathstalker.
The deathstalker's powerful venom contains the 36-amino acid peptide chlorotoxin (ribbon diagram shown). This blocks small-conductance chloride channels, immobilizing its prey. [113] Scorpion venom is a mixture of neurotoxins; most of these are peptides, chains of amino acids. [114]
The deathstalker's powerful venom contains the 36-amino acid peptide chlorotoxin.This blocks small-conductance chloride channels, immobilizing its prey. [1]Short-chain scorpion toxins constitute the largest group of potassium (K +) channel-blocking peptides.
Parthenogenesis is a mode of asexual reproduction in which offspring are produced by females without the genetic contribution of a male. Among all the sexual vertebrates, the only examples of true parthenogenesis, in which all-female populations reproduce without the involvement of males, are found in squamate reptiles (snakes and lizards). [1]
The venom composition of the deathstalker scorpion contains neurotoxins which are almost completely responsible for this symptom. The poison from this scorpion contain 4 components: chlorotoxin, charybdotoxin, scyllatoxin, and agitoxins. Upon injection with the venom, sacral parasympathetic nerve are stimulated causing a change in the neuronal ...
In normal sexual reproduction, the father has two sets of chromosomes, and crossing over takes place between the chromatids of each pair during the meiosis which produces the sperm. Therefore, the sperms are not identical , because in each chromosome of a pair there will be different alleles at many of the loci .