MIP 302 Exam 1 questions well answered with complete solutions 2023/2024

MIP 302 Exam 1Five Kingdom Classification System - correct answer Monera, Protista, Fungi, Plantae, Animalia Animalia - correct answer animals Plantae - correct answer plants Fungi - correct answer molds and yeasts Protista - correct answer protozoans and algae Monera - correct answer bacteria What kingdoms are composed of microbial organisms? - correct answer Fungi, Protista, and Monera Eukaryotic - correct answer A cell characterized by the presence of a nucleus and other membrane-bound organelles. Eukaryotes can be unicellular (protists) or multicellular (fungi, plants and animals). Prokaryotic - correct answer An organism whose cells do not have an enclosed nucleus, such as bacteria. Viruses - correct answer Acellular Consist of DNA or RNA core Core is surrounded by a protein coat Coat may be enclosed in a lipid envelope Are replicated only when they are in a living host cell Prions - correct answer infectious protein particles that do not have a genome 3 domain system of classification - correct answer Prokaryotes: Domain Bacteria (Eubacteria) Domain Archaea Domain Eukarya Archaebacteria - correct answer differentiated from eubacteria based on cell wall and cell membrane composition, ribosome composition and shape, tRNA structure and RNA polymerase sequences. Which two system of classifications are most closely related? - correct answer Eubacteria and Eukarya Genus - correct answer appears first and is capitalized and italicized Species - correct answer appears second and should be lower case and italicized Algae characteristics - correct answer live in moist environments, often exist in symbiotic relationships, most are photosynthetic and appear green or yellow, have rigid cell walls which makes them symmetrical Phytoplankton - correct answer microscopic algae that provide the basis of the food chain in many aquatic ecosystems and responsible for producing more than half of the oxygen that we breathe What is algae cell wall made of? - correct answer silica and calcium carbonate Diatoms - correct answer photosynthetic marine algae that have a cell wall composed of silica and when they die they settle on the bottom of the ocean and accumulate on the sea floor and form diatomaceous earth used to make products such as fine abrasives, paint removers, and filters. Accumulation results in the production of limestone and chalk. Protozoa characteristics - correct answer usually motile, eukaryotic, unicellular protist. Most live in moist environments and are not photosynthetic usually. Many exist in symbiotic relationships.