Passive Active Transport

A state of balance

the movement of substances across a cell membrane without the use of energy by the cell

the movement of materials through a cell membrane using energy (ATP).

Diffusion of water through a selectively permeable membrane

Movement of molecules from an area of higher concentration to an area of lower concentration.

(adenosine triphosphate) main energy source that cells use for most of their work

smallest unit of most compounds that can be made up more than one atom.

A cell structure that controls which substances can enter or leave the cell.

They both mean the movement of molecules from higher concentration to lower concentration

a property of cell membranes that allows some substances to pass through, while others cannot

process by which a cell takes material into the cell by infolding of the cell membrane

process of exporting proteins from a cell by a vesicle fusing with the cell membrane

A tendency to maintain a balanced or constant internal state; the regulation of any aspect of body chemistry, such as blood glucose, around a particular level

Conversion of light energy from the sun into chemical energy.

Process that releases energy by breaking down glucose and other food molecules in the presence of oxygen