End of preview
Upload your study docs or become a member.
Unformatted text preview:d. Allows the cell to exchange material with outer environment (selectively permeable) 4. Why are most cells so small? a. Have to maintain homeostasis b. Surface area-to-volume ratio: ratio of plasma membrane (surface area) to cell's volume c. As a cell becomes larger, its volume increases at a greater rate than its surface area 5. Prokaryotes a. No internal membrane organization b. Nuclear area (not nucleus) c. Cell wall d. Ribosomes e. Flagella f. Organelles not surrounded by membranes 6. Eukaryotes a. Membrane bound organelles i. Including a true nucleus