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rning g Cengage Learning X MindTap - Cengage Learni CENGAGE | MINDTAP Q Search this cou Lab 12 Post-Lab Quiz: Muscular Tissue Lab 12 Post-Lab Quiz Total points: --/10 Attempts left: 1 1. Botulism is a disease that can occur when a species of bacteria, Clostridium botulinum, secretes a toxin, botulinum toxin (aka botox). Botulinum toxin causes local paralysis, an inability to contract muscles. If the toxin spreads throughout the body, the muscles that control breathing can be affected, causing death. Which of the following is a plausible mechanism of botulinum toxin? O Botulinum toxin binds to calcium channels on the sarcoplasmic reticulum, holding them in an open position. O Botulinum toxin inhibits the motor neuron from releasing acetylcholine. Botulinum toxin inhibits the action of acetylcholinesterase. 2. Imagine a fictional disease in which gap junctions do not exist in the intercalated discs. Which ofthe following might daccribs the raculting heart