In the lock-and-key analogy for neurotransmitters, the lock refers to the whereas the key refers to the

I believe the correct answers are: post-synaptic receptors and shape of the neurotransmitter.

     In the lock-and-key analogy for neurotransmitters, the lock refers to the post-synaptic receptors, whereas the key refers to the shape of the neurotransmitter.

     Analogy of key-and-lock refers to the binding to occur between post-synaptic receptors and the shape of neurotransmitters, in which the neurotransmitter and the receptor site must have perfectly complementing shapes, as does a key that fits a lock.

1. seasonal

2. frictional unenployment

3. the number of the labor force multiplied by 100 and then subtract the number of unemployed.

4. 4%

5. an increase in prices

answer; talcott parsons;