_[blank]_ are the materials that change in a chemical reaction, while _[blank]_ are the substances formed by changes in a chemical reaction. Which answer choice presents the correct words to complete this sentence?

Inputs; outputs
Outputs; inputs
Reactants; products
Products; reactants

Compare and contrast your sells take in oxygen, water, and food. what is one waste product that leaves your cells?

How does the fermentation of pyruvic acid in cells contribute to the formation of atp? a. it completes the oxidation of glucose to co2, creating atp. b. it generates lactic acid, which cycles back through the krebs cycle, producing 2 atp molecules. c. it converts fadh2 to phosphate, which bonds with adp. d. it produces 2 nad+ molecules, which cycle back to fuel the glycolysis reaction, allowing 2 atp molecules to be produced.

How is synaptic signaling different from paracrine signaling?