Describe how an enzyme speeds up a chemical reaction within a cell. (written answer)

Which of the following is the best definition of aerobic respiration? o a. the cellular process that releases energy by breaking down glucose o b. physical activity that involves the repeated motion of large muscle groups o c. physical activity that increases heart rate and breathing rate o d. the cellular process that converts solar energy to chemical energy

Which statement correctly describes a way that mutations increase the likelihood that a species will survive in a changing environment

How do all types of diffusion/passive transport actually ‘work’ without using even the smallest amount of cellular energy?