MICROBIOLOGY 260 (LCC) EXAMINATION 2024 |VERIFIED WITH ACTUAL ACCURATE ANSWERS

List the three domains-Accurate Answer Archaea, Bacteria, and Eukarya Summarize the characteristics of archaea-Accurate Answer prokaryotic, lack peptidoglycan, live in extreme environments Summarize the characteristics of bacteria-Accurate Answer Prokaryotes, peptidoglycan cell walls, binary fission, org/inorganic chemicals or photosynthesis for energy Summarize the characteristics of algae-Accurate Answer Eukaryote, cellulose cell wall, photosynthesis for energy, prod. molecular O2 and organic compounds Summarize the characteristics of protozoa-Accurate Answer Eukaryotes, absorb/ingest org. chemicals, motile via pseudopods, cilia, or flagella Summarize the characteristics of fungi-Accurate Answer Eukaryotes, chitin cell walls, org. chemicals for energy, molds/mushrooms multicellular, yeast unicellular List at least 4 ways microbes affect our lives-Accurate Answer Decompose organic waste Produce ethanol and acetone Produced fermented foods such as vinegar, cheese, and bread Produce cellulase and insulin How many chromosomes does a typical bacterium have?-Accurate Answer 2 Contrast prokaryotic and eukaryotic ribosomes-Accurate Answer Prokaryotic (70S) ribosomes are smaller than eukaryotic (80S) ribosomes. Eukaryotic ribosomes are membrane bound to ER List some functions of bacterial inclusion-Accurate Answer Energy storage, Co2 fixation in photosynthetic bacteria, buoyancy in aquatic prokaryotes, align along magnets field Contrast