Predict what effect each of these venoms would have had on themuscle contractions of the biventer cervicis muscle. Remember tojustify your answer
Venoms and Reactions -
1.      Redback spider(Latrodectus hasseltii) – contains a toxin which formspores in the cell membrane of neurons, allowing the influx ofCa2+ into the nerve terminal
2.      Blue-ringed octopus(Hapalochlaena lunulata) – contains a toxin which blocksvoltage-gated Na+ channels
3.      Funnel-web spider(Atrax robustus) - contains a toxin which causes delayedinactivation of voltage-gated Na+ channels
4.      Tiger snake (Notechisscutatus) – contains a toxin which prevents ACh binding tonAChRs on muscle fibres
