Ohio University bio 1010 exam 1 2022

Document Content and Description Below

hat is science? Seeking answer to questions about the natural world Levels of organization Cells, tissue, organisms, population, communities, ecosystem Three Domains Archea, Eucarya, Bac... teria binomial nomenclature A system for giving each organism a two-word scientific name that consists of the genus name followed by the species name DNA the genetic makeup of a living thing. It is found in the cells and is unique to each person Cell theory states that all living things are composed of one or more cells, the cell is the most basic unit of life, and new cells arise from existing cells. Prokaryotes microbes that lack membrane enclosed organelles. First inhabitants on earth. Eukaryotes characterized by the presence of nuclei which contains DNA Which of the domains are prokaryotes? Bacteria and Archaea Which of the domains are eukaryotes? Eukarya Ribosomes Makes proteins, not surrounded by membrane Nucleus contains the genetic information for a cell and are involved in making ribosomes. Mitochondria Powerhouse of the cell, harvest energy through cellular respiration Chloroplast are used from photosynthesis and enable plants and algae to utilize the energy in sunlight to make sugars from carbon dioxide parthenogenesis new individual develops without fertilization Hypothesis I expect to observe (blank) because (blank) Photoautotrophs organism that is able to make its own food by converting solar energy to chemical energy Pathogen organism that causes disease epidemic disease that occurs un an unusually high number of individuals in a population at the same time antibiotic biological substance that, in low concentration, is antagonistic to the growth of prokaryotes Autotroph make their own food Heterotroph An organism that cannot make its own food; a consumer epidemiologist studies the frequency and distribution of diseases within human populations and environments. Cytokine a chemical messenger that regulates cell differentiation, proliferation, and gene expression to effect immune responses Host an organism that is invaded by a pathogen or parasite Antigen foreign or "non-self" protein that triggers the immune response [Show More]

Last updated: 1 year ago

Preview 1 out of 4 pages