Any drug molecule that binds to a neurotransmitter receptor site and mimics the neurotransmitter's excitatory or inhibitory effects is a(n)

Differences between compact bone and cartilage

Why can't you grow plants with adhesion water?

What did not occur in the proterozoic eon a)the oxygen levels increase greatly in the atmosphere, b)the emergence of the eukarya , c)muti cella’s eukaryotic organisms began to diversify, d)anaerobic bacteria kept thriving with more oxygen