Aplant leaf is an organ that traps light energy to make food. in what way is an animal stomach similar to a plant leaf? a. both organs make food. b. both organs are made up of several kinds of tissues. c. both organs are made up of only one kind of cell. d. both organs take in oxygen and release carbon dioxide.

Which of the following describe the role a biochemical pump plays in active transport? a it prevents water from moving across the cell membrane. b it uses energy to move materials across the cell membrane against the concentration gradient. c it large molecules cross the cell membrane without using energy. d it a cell move molecules from an area of higher concentration to an area of lower concentration.