Suppose a doctor is asking whether eating carrots every day will improve his patients’ eyesight.

Why does the skin of your finger shrink when you wash clothes for a long time?

What are antigens and antibodies? how are they involved in the body’s response to incompatible blood?

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.