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UNCW Bio 201 Exam 2 2025 Questions and Answers Amphipathic Macromolecules - ....ANSWER☑️☑️...-Both hydrophilic and hyrdrophobic Examples of Amphipathic Macromolecules - ....ANSWER☑️☑️...-1. Phospholipids 2. Proteins in a membrane Membrane Characteristics - ....ANSWER☑️☑️...-A. Membranes form spontaneously B. Membrane structure is tightly controlled by cells. We call the resulting structure a fluid mosaic. 1. 2 semifluid leaflets of lipids 2. 2 classes of proteins with numerous functions 3. Carbohydrates face the outside of the cell C. Membrane "mosaic" structure enables membrane function, and membrane have a lot of functions to perform! Hydrophobic Interactions - ....ANSWER☑️☑️...-cage-like structure of water forms around hydrophobe Step 1 of membrane fluidity - ....ANSWER☑️☑️...-Step 1. Hydrophobic exclusion pushes fatty acids tails of phospholipids together Step 2 of membrane fluidity - ....ANSWER☑️☑️...-H-bonds and hydration spheres form …FOR STUDY PURPOSES ONLY…©️ 2025 ALL RIGHTS RESERVED… 1