facilitated diffusion
Diffusion is a process that requires no energy (by an organism).
facilitated diffusion
The movement of potassium into an animal cell requires an energy source such as ATP or a proton gradient. Water passes quickly through cell membranes because it moves through aquaporins in the membrane.
Energy
Active transport requires energy to move substances across a cell membrane against their gradient.
Diffusion is a process that requires no energy (by an organism).
Cell respiration requires the process of energy and cells rely on active transport to provide the amount of energy.
it requires added energy
mitochondria
Function laws
facilitated diffusion
active transport requires energy from the cell
Facilitated diffusion.
active transport requires input of energy as it takes place aginst a gradient.
When a virus obtains energy, it comes from the host cell. A virus requires the host cell to reproduce and uses the energy from that host.
Most cellular energy comes in the form of ATP which requires oxygen.
The passive ones, like diffusion