Is cellular respiration aerobic or anaerobic? Why?

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In which situations is the principle of cross-cutting relationship useful in determining relative age?

Describe how a non-resistant staphylococcus aureus bacterium can produce a bacterium that is resistant to methicillin

How do you know that the plant cells in these two images have different jobs, or functions? a. because all plant cells serve different functions b. because they are two different colors c. because their dna are different d. because their structures are different