Biology 1406 Chapter 1 Review Questions and Answers with complete solution

Evolution - The process of change that has transformed life on Earth. Biology - The scientific study of life What are the five unifying themes? - Organization, Information, Energy and Matter, Interaction, Evolution Biological Organization - Molecules, organelles, cells, tissues, organs and organ systems, organisms, populations, communities, ecosystems, biosphere Emergent Properties - Result from the arrangement and interactions of parts within a system. They characterize non biological entities as well. Reductionism - The reduction of complex systems to simpler components that are more manageable to study. Systems Biology - Analysis of the interactions among the parts of a biological system Prokaryotic Cell - Simpler and usually smaller cell that does not contain a nucleus or other membrane enclosed organelles Eukaryotic Cell - Membrane enclosed organelles, the largest at which is the nucleus DNA (deooxyribonucleic acid) - A self-replicating material present in nearly all living organisms as the main constituent of chromosomes. It is the carrier of genetic information. Controls the development and maintenance of organisms Gene - Encodes information for building the molecules synthesized within the cell. Units of inheritance.Gene Expression - The process of converting information from gene to cellular product