What substance is a source of chemical potential energy that animal cells can use

Which organelles are labeled d, and what is one feature that distinguishes them from the other labeled organelles chloroplasts the only organelles that produce sugars from sunlight mosomes, only found in animal and bacterial cells centricles only found in animal cells mitochondra, the only energo-generating structures found in cells

Types of scientific inquiry that biologist engage in that cannot be completely controlled

Describe the layers of the suns atmosphere?