Scientists produce plants from tissue culture in the lab. the new plants are produced under sterile conditions, to produce clones of the parent plant. the new plants

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.