At the neuromuscular junction, each presynaptic terminal contains numerous small, spherical sacs called Blank______, which contain acetylcholine.Multiple choice question.motor end platesmitochondriasynaptic vesiclessarcoplasmic reticulum

The muscle plasma membrane in the area of the neuromuscular junction is the Blank______. Multiple choice question.synaptic cleftATPase enzymemotor end platesarcomere

Each presynaptic terminal contains _________blank, which contain the neurotransmitter _________blank that, when released, cause ligand-gated Na+ channels to open in the motor end-plate. This causes _________blank in the muscle cell.Multiple Choicesynaptic vesicles; acetylcholine; depolarizationproteins; acetylcholine; repolarizationmitochondria; acetylcholinesterase; depolarizationACh receptors; acetylcholinesterase; repolarization

When the nerve signal reaches the end of the axon, the ____________ releases a neurotransmitter called acetylcholine. Group of answer choicessarcoplasmic reticulumsomatic motor neuronnucleusterminal cisternaemotor end-plate

The protective membranes that surround the brain and spinal cord are called the Blank______.Multiple choice question.myelin sheathperitoneummeconiummeninges

Which of the following is NOT a part of the endomembrane system?Group of answer choicesnuclear envelopmitochondrialysosomevacuole