nucleus
a part of a cell that carries the dna
cytoplasm
the liquid in the center of a cell
Cell
the basic structural, functional, and biological unit of all known organisms. A cell is the smallest unit of life. Cells are often called the “building blocks of life”
Cell membrane
two layers of lipids and proteins that surrounds a cell and separates the cytoplasm (the contents of the cell) from its surrounding environment. It is selectively permeable, which means that it only lets certain molecules enter and exit.
Cell wall
a wall that holds everything inside and protects the cell. only in plant cells