collection of living matter enclosed by a barrier that separates the cell from its surroundings; basic unit of life
Idea that all living things are composed of cells, cells are the basic unit of structure and function in living things and new cells are produced.
small, dense region within most nuclei in which the assembly of proteins begins.
organism whose cells contain nuclei
unicellular organism lacking a nucleus.
specialized structure that performs important cellular functions within a eukaryote cell
material inside the cell membrane, not including the nucleus
Layer of two membranes that surrounds the nucleus of a cell
granular material visible within the nucleus; consists of DNA tightly coiled around proteins
threadlike structure within the nucleus containing the genetic information that is passed from one generation of cells to the next
small, dense region within most nuclei in which the assembly of proteins begin
small particle in the cell on which proteins are assembled; made of RNA and protein.
internal membrane system in cells in which lipid components of the cell are assembled and some particles are modified.
stack of membranes in the cell that modifies, sorts, and packages proteins from the endoplasmic reticulum
cell organelle filled with enzymes needed to break down certain materials in the cell
cell organelle that stores materials such as water, salts, proteins, and carbohydrates
cell organelle that converts the chemical energy stored in food into compounds that are more convenient for the cell to use
Organelle found in the cells of plants and some other organisms they capture the energy from sunlight and convert it into chemical energy
network of protein filaments within some cells that helps the cell maintain its shape and is involved in many forms of cell movement
one of two tiny structure located in the cytoplasm of animal cells near the nuclear envelope