Which part of a plant cell gives it a fixed shape and strength, like a sturdy box?

What is the main material that makes up the strong cell wall of a plant cell?

Which tiny gatekeeper controls what goes into and out of the plant cell?

What makes leaves look green?

Where does photosynthesis, the process of making food, happen inside a plant cell?

What important job do mitochondria do in a plant cell?

Why don't onion cells, when you look at them under a microscope, have a green color?

Which of these is found in plant cells but not in animal cells?

Red blood cells in our bodies don't have a nucleus. What's good about that?

Which special plant cell is shaped like a tiny finger to help the plant soak up water from the soil?