Why are cell walls so important for plant cells A. they prevent the cell from bursting
B. they control the cells activities
C. they provide water to the cells

Drag the correct tiles to the image. not all tiles will be used. the diagram is a schematic representation of the electron transport mechanism in mitochondria. label the diagram to complete the model.

Which organelle breaks down sugar molecules that supply energy to the cell ?

How can an organ, such as the lungs, work for multiple body systems?