Answer:
Location of the Cell Bodies Also, the cell bodies of the preganglionic neuron are located in the brain or spinal cord while the cell bodies of the postganglionic neuron are located in the ganglion. Axons of Preganglionic and Postganglionic Neurons
I think it is b because it is a result of an environmental influence
After a quick search, I was able to find a source with your question and its multiple choice answers
Next time, you should include them, it is helpful!
"Which describes the action of a ligand's competitive antagonist?"
-A.) It decreases the amount of ligand required to activate the protein.
-B.) It blocks the binding of the ligand to its binding site and prevents activation of the protein.
-C.) It binds to a different binding site on the protein, altering the protein shape so that a ligand cannot bind.
D.) When present, it increases the binding of a ligand to its receptor.
Your answer would be "B".
The nurse can inform the girl's mother that menstruation is likely to occur in about 2 to 2 ½ years. Breast development begins about 8 to 13 years of age; but generally this begins around age 9 or 10, but can typically happen earlier or later. This is called “breast budding.” Menstruation occurs about 2 to 2 ½ years after breast development.
