A person who has allergies has a compromised immune system because the body's immune system a
attacks its healthy cells.
overreacts to an antigen.
steals nutrients from healthy cells.
O responds to mutagens.

What mistake did john needham make that caused him to conclude that spontaneous generation for microorganisms occurred? a. he re-contaminated his boiled broth solutions. b. he destroyed the vital force in the solutions. c. he did not boil his broth solutions, only warmed them. d. he failed to seal his flasks of boiled broth. e. he allowed his assistant to conduct the experiment which he did not monitor closely.