What organelles break down carbohydrates in the cell to give energy?

Whats one way that rocks do not follow the typical rock cycle pathway?

The backbone of the double helix has an alternating molecules. what do you call these alternating molecule?

Which of the following statements accurately defines epidermis? a. a thick protein fiber composed of the protein collagen b. hard, dense bone tissue found on the outer surface of a bone c. single layer of epithelial cells and the underlying basal lamina d. outer, protective layer of the skin composed of stratified squamous keratinized epithelial tissue