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The parasympathetic and sympathetic branches are part of the

Which of these proteins is made up of globular subunits that combine to form a helix, and have binding sites on the subunits?

Antidepressants such as Prozac act to increase the effects of

What number indicates actin?

The kinds of peripheral neurons that are responsible for involuntary responses to extreme danger or stress are the

What number indicates actin?

Which of these muscles has its tendon outside the flexor retinaculum, is absent in a fair percentage of people, and is a very weak wrist flexor?

1. A Describe all the events of impulse transmission including the graded potential, the action potential and its transmission from one neuron to the next. Give as much detail as possible. 1.B Give two interesting medical implications, applications or facts about  neurotransmitters.    (Answer both questions. But concentrate on the first one which is worth most of the points.)

Chemically gated ion channels open due to the presence of

When an action potential passes down an axon, the channels that open are the