Lesson Review 1.
What is the primary function of enzymes?
A. They keep the pH of the body within acceptable levels.
B. They make essential biochemical reactions possible or speed them up.
C.
They enable the body to use energy to produce food.
D. They give cells the energy they need to carry out life functions.

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.