AP Biology 1 Questions and Answers

AP Biology 1 Questions and Answers Cell The smallest unit in living things that can still be considered alive. The basic unit of organization in living things. Tissue A group of similar cells that perform a specific function. Organ A group of similar tissues that perform a particulat function. Organ System Groups of organs that work together to perform specific functions. Homeostasis Process by which organisms maintain an internal balance. Stimulus-Response Process that helps living things respond to outside stimuli. Metabolism Chemical reactions that living things use to process materials. Inference Interpretation pased on prior knowledge and observation. Monomer Smaller units that join together to make polymers. Polymer Larger compound formed by joining monomers together. Protein Organic compound that serves as a building block for living things, speeds up reactions as a catalyst. Lipid Organic compound that stores energy, helps form the cell membrane, provides insulation and protection. Carbohydrate Organic compound that is the main source of energy for living things. Nucleic Acid