Microbiology Ch.1 terms 2024

Microbes - Correct Answers"Term encompasses living microorganisms such as bacteria, archaea, fungi, protists, and helminths, and nonliving/noncellular entities such as viruses and prions." Microorganisms - Correct Answers"Cellular, living microorganisms such as bacteria, archaea, fungi, protists, and helminths." Bacteria - Correct Answers"Prokaryotic unicellular microorganisms; pathogenic and nonpathogenic." Archaea - Correct Answers"Prokaryotic unicellular microorganisms; nonpathogenic; often live in extreme environments." Fungi - Correct Answers"Eukaryotic unicellular and multicellular microorganisms; can be pathogenic or nonpathogenic." Protists - Correct Answers"Eukaryotic unicellular and multicellular microorganisms; can be pathogenic while others are nonpathogenic." Helminths - Correct Answers"Eukaryotic multicellular parasitic roundworms and flatworms." Virus - Correct Answers"Nonliving/noncellular entities that can infect animal, plant, or bacterial cells; can have a DNA or RNA genome. Originally described as filterable infectious agents, reflecting tiny size compared with cells. Today over 5,000 mammal-infecting viral species have been described. Of these, at least 220 infect humans." Prions - Correct Answers"Infectious proteins that can cause a disease such as transmissible spongiform encephalopathies; prions are transmitted by transplant or ingestion; some prion diseases are inherited." Endosymbiotic theory - Correct Answers"Describes the evolution of eukaryotes as a series of sequential, cell-merging events between an ancient eukaryotic ancestor and certain prokaryotes." Opportunistic pathogen - Correct Answers"Pathogen that only cause disease when their host, the targeted organism, is weakened in some way." Spontaneous generation - Correct Answers"Idea that life comes from nonliving items." Biogenesis - Correct Answers"Idea that life emerges from existing life." Pasteurization - Correct Answers"Application of moderate heat, well below the