Protein characteristic of the postsynaptic membrane. In a chemical synapse, the postsynaptic membrane is the membrane that receives a signal (binds neurotransmitter) from the presynaptic cell and responds via depolarisation or hyperpolarisation. The postsynaptic membrane is separated from the presynaptic membrane by the synaptic cleft.
Below is a list of toll free 800 numbers for TurboTax. Customer Service: 1-866-888-2402. 1  Thank you for calling TurboTax, I will help connect you to the best experts to answer your question.2  If you need help purchasing your TurboTax or want to check on the status of an order press one.elow is a list of toll free 800 numbers for TurboTax. Customer Service: 1-866-888-2402. 1  Thank you for calling TurboTax, I will help connect you to the best experts to answer your question.
The 24-hour customer service number for Verizon is (800) 922-0204 or *611 from a Verizon mobile phone as of January 2015. For Verizon prepaid phones, the customer service number is (800) 294-6804. Service is also available by dialing *611 from a Verizon prepaid mobile phone.