7-3 Vocabulary: Cell Organelles - with pictures

endoplasmic reticulum

an internal membrane system in which components of cell membrane and some proteins are constructed.

lysosome

cell organelle filled with enzymes needed to break down certain materials in the cell

mitochondria

cell organelle that converts the chemical energy stored in food into compounds that are more convenient for the cell to use

vacuole

cell organelle that stores materials such as water, salts, proteins and carbohydrates.

cytoplasm

material inside the cell membrane--not including the nucleus.

centriole

one of two tiny structures located in the cytoplasm of animal cells near the nuclear envelope and that has an active role in cell division

chloroplast

organelle found in cells of plants and some other organisms that captures the energy from sunlight and converts it into chemical energy.

ribosome

small particle in the cell on which proteins are assembled; made of RNA and protein.

nucleolus

small, dense region within most nuclei in which the assembly of proteins begins.

Golgi apparatus

stack of membranes in the cell that modifies, sorts, and packages proteins from the endoplasmic reticulum

cell wall

strong layer around the cell membrane in plants, algae, and some bacteria