A cell must use energy to transfer materials against a concentrations or electrochemical gradient. In order to accomplish this, active transport systems use energy.
Describe a cell.
The simplest form that really can sustain life by itself and makes up most living things, including the body's tissues. The cellular membranes, the nuclei, and the cytoplasm are the three primary components of a cell. The materials that enter and leave the cells are controlled by the cell membrane, which encloses the cell.
What is the structure of cells?
The cellular membranes, the nuclei, and indeed the cytoplasm are the three components that make up a cell. Intricate arrangements of microscopic fibers and hundreds and hundreds of tiny, unique structures known as organelles can be found in the cytoplasm.
To know more about Cell visit:
https://brainly.com/question/12129097
#SPJ4
