a cell structure that controls which substance can enter or leave the cell

a cell structure that contains nucleic acids, the chemical instructions that direct all the cells activities

the region between the cell membrane and the nucleus

rod-shaped cell structures that convert energy in food molecules to energy the cell can use to carry sut its functions

a cell structure that forms a maze of passage ways in which proteins and one part of the cell to another

a small grain-like structure in the cytoplasm of a cell where proteins are made

a structure in a cell that receves proteins and other newly formed materials from the endoplasmic reticulum, packages them, and distributes them to other part of the cell

a structure in the cells of plants and some otherorganism that capture energy from sunlight and uses it to produce food

a sac inside a cell that acts as a storage area.

a small , round structure containing chemicals that break down large food particles into smaller ones

a rigid layer of nonliving material that surrounds the cells of plants and other organisms

a tiny cell structure that carries out a specific function within the cell