Which statement is true about a cell wall but not a cell membrane? a: it forms the outer layer of a cell. b: it gives an animal cell its shape. c: it is selectively permeable. d: it is made mostly of cellulose.

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