How can we help?
You can also find more resources in our
Select a category
Something is confusing
Something is broken
I have a suggestion
What is your email?
What is 1 + 3?
a tiny cell structure that carries out a specific function within a cell
the control center of the cell that directs the cell's activities; it contains the chemical instructions that direct all the cell's activities (DNA)
thin, flexible barrier around a cell, it regulates what enters and leaves the cell
The area inside a cell between the nucleus and the cell membrane, where organelles can be found
organelles that capture energy from the sunlight and use it to produce food for the cell
In plant cells, this stiff wall surrounds the cell membrane, giving the cell a rigid, boxlike shape.
the organelle in which amino acids are hooked together to make proteins
the organelle that makes lipids, breaks down drugs and other substances, and packages proteins for the Golgi complex
the organelle that breaks down food molecules to make energy available (ATP)
the organelle that processes and transports proteins and other materials out of the cell
the organelle that stores water and other materials
the organelle that digests food particles, wastes, cell parts, and foreign invaders