D. Hope this helps if not try A
finding a support system!
Answer:
labored breathing,deep coughing, eye and nasal discharge,bloody diarrhea,or depression
Answer:
Explanation:
Ahahahhahahhahahahah sorry this is not personal I need points hdhdhdhhdhdbdb
#1, they remain outside the target cell. #2, bind to the receptors inside the target cell. #3, they have no target cells. #4, are made of proteins.
