What is the difference between an exergonic reaction and an endergonic reaction

Two critical interventions to turn around the opioid crises are:

Paint and solvents pose no potential hazard to human health. select the best answer from the choices provided t f

Why do some dna fragments move farther than others during gel electrophoresis? a. because their shapes are different b. because they are different types of molecules c. because the samples are different colors d. because their masses are different