Answer:
They are located in the ribosomes.
The behavior that is reinforced is coming to the door. the dog learns to go to the door because that's what it was rewarded for doing
So, if the owner stays at the door, the dog will saw the situation and understand he needs to stay inside. If the owner goes outside, the dog will imitate and when rewarded he understands it's a thing to do.
It's important because there are many scientists that don't speak English and so in one country one word might mean another for example "Elephant" in English might mean "Dog" in Swahili but if a scientific name is given there is a specific guideline that ALL scientist will know no matter the language due to the classifications.
Called joints
are fibrous joint
sutures are found between most of the bones of the skull