Me
the sodium-potassium pump actually changes shape as it shuttles ions the cell membrane. t or f

Which of the following is not a food produced in rainforests? a) coffee b) cocoa c) avocados d) wheat

Which of the following can be reduced by the use of renewable energy sources? a. social costs b. economic costs c. environmental costs d. all of the above select the best answer from the choices provided a b c d

Which of the following molecules can be broken down into simple sugars? a. nucleic acid b. protein c. lipid d. carbohydrate