DCCC BIO 150 Final Exam Study Guide Correct Questions & Answers(GRADED A+)

Hierarchy of Complexity - ANSWER Atom Molecules Organelles Cells Tissue Organ Organ System Organism Molecules - ANSWER Particle composed of at least two atoms Organelles - ANSWER Microscopic structures in a cell that carry out individual functions Cells - ANSWER Smallest unit of an organism that carry out basic functions of life Tissue - ANSWER Mass of similar cells that form an organ and preform a specific function Organ - ANSWER Structure composed of two or more tissue types that work together to carry out a particular function Organ System - ANSWER Group of organs with unique collective function Organism - ANSWER Single, Complete indicidual Metabolism - ANSWER Sum of all internal chemical change/ reactions Two classes Anabolism Catabolism Produces chemical waste that requires excretion Anabolism - ANSWER Complex molecules are synthesized from simpler ones Protein synthsis Catabolism - ANSWER Complex molecules are broken down into simpler ones Protein digestion Feedback - ANSWER Mechanism used by the body to maintain homeostasis Negative Positive Negative Feedback - ANSWER Process in which the body senses a change and activates mechanisms to negate or reverse it 3 components: Receptor Integrating center (control) Effector Receptor - ANSWER structure that senses a change in the body Int