BIO 101 Study Guide - Comprehensive Final Exam Guide - Rna, Protein, Prokaryote
Document Summary
Scientific method steps: observation, question, hypothesis (must be testable and falsifiable, prediction, experiment (test the hypothesis & must include controls & receives treatment, control- a situation where variables are held constant (receives no treatment) i. ii. Negative control- no phenomenon is expected to happen. Positive control- the phenomenon is expected to happen. About living things: organized, acquire materials and energy, maintain an internal environment, respond, reproduce, grow and develop, have adaption. Living things are classified (organisms are grouped based on their similarity into various levels of classifications: domain, kingdom, phylum, class, order, family, genus, species. Cell- a cell is the smallest, most basic, unit of life . Three main domains: bacteria- prokaryote(no organized nucleus, archaea- prokaryote, biochemically different from bacteria (give off methane, eukarya- eukaryotes (organized nucleus) Divided by 3 factors: cell type, prokaryote- no organized nucleus, eukaryote- organized nucleus, cell number, unicellular- single celled organisms, multicellular- multi celled organisms, food source, autotroph- produce own food, heterotroph- consumes other organisms.
