Each kind of neurotransmitter ______.
A. is unique and will fit into only one type of receptor site
B. will fit into several types, but not most types of receptor sites
C. will fit into most, but not all types of receptor sites
D. will fit into every type of receptor site
Answer:A
Each kind of neurotransmitter ______.
A. is unique and will fit into only one type of receptor site B. will fit into several types, but not most types of receptor sites C. will fit into most, but not all types of receptor sites D. will fit into every type of receptor site