Short Answer Questions - work check

Unit 1 Objectives:

Using at least one physiological example, explain the concept of homeostasis.
Explain and provide examples of specificity, competition, and saturation in proteins.
Explain the concepts of specificity, competition, and saturation as they relate to enzymes.
Explain the fluid-mosaic model of the cell membrane.
Compare osmolarity and tonicity.
Compare simple diffusion, facilitated diffusion and active transport.
Explain why cells need both channel and carrier proteins.
Explain the concepts of specificity, competition, and saturation as they relate to carrier-mediated transport.
Briefly outline the major components of the core concept of flow-down gradients.
Briefly outline the major components of the core concept of cell-to-cell chemical communication.