If an organism only had three types of olfactory receptor neurons (ORNs), how many different odorants could be encoded? (Assume each ORN can have only one level of activation; it is either active or inactive.)

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The Answer of If an organism only had three types of olfactory receptor neurons (ORNs), how many different odorants could be encoded? (Assume each ORN can have only one level of activation; it is either active or inactive.)

If an Organism Only Had Three Types of Olfactory Receptor