Which statements best describe the first stage of cellular respiration? Select three options A - the stage happens in cytoplasm
B- the stage happens in mitochondria
C - Oxygen combines with the small molecules
D - Glucose is broken down
E - Energy is released

Which best describes the digestive system of arthropods? a incomplete, two openings b complete, one opening c two-way, one opening d one-way, two openings

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

In the diagram below, the northern hemisphere would be in what season at position a a.fall b. winter c.summer d.spring