Calculate how long it will take for one full base pair mutation to occur. Explain your reasoning by constructing a mathematical equation

The breakdown of food is accomplished by enzymes. a. physical b. chemical c. mechanical d. none of the above

If animal agriculture was eliminated, how much grain would become available for human consumption?

Which of these has happened to your food by the time it reaches your small intestine? a. all the macromolecules have been broken down completely. b. lipids and starches have been partially broken down. c. starches and proteins have been partially broken down. d. proteins and lipids have been broken down into subunits.