Identify the substances that are involved in a metabolic pathway. A metabolic pathway occurs in two steps. In the first step, substance A is changed into substance B. In this step, substance B works as
-an enzyme
- a substrate
- a product

. In the second step, substance B is changed into substance C. In this step, substance B works as

-an enzyme
- a substrate
- a product

Which box will not accelerate? 4 newtons 4 newtons 4 newtons 25 kg 4 newtons 15 newtons 10 kg 30 newtons 40 newtons 50 kg 30 newtons 30 newtons

What is the problem in this article? what solution does the article propose?

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.