CRSS 4610 Exam 1 Questions and Answers 100% Correct!

Soil Microbiology - ANSWER-Study of microorganisms that live in the soil, metabolic activity, role in energy flow, and nutrient cycling Physiology - ANSWER-how they grow and metabolize Taxonomy - ANSWER-What they look like and how they relate to each other Resilience and adaptability - ANSWER-how are they impacted by environmental factors Symbiosis - ANSWER-What is their relationship with other organisms Antonie van Leeuwenhoek () - ANSWER-Made the first microscope, not microbiologist by training Robert Hooke () - ANSWER-Examination of microscopic protozoa, molds and spores Louis Pasteur () - ANSWER-Disproved the theory of spontaneous generation; invented Pasteurization Robert Koch () - ANSWER-Germ theory of disease; pioneered solid culture techniques: worked a lot with Anthrax (Bacillus anthracis) Martinus Beijerinck () - ANSWER-Cultured nitrogen fixing bacteria (Rhizobium and Azotobacter), discovered the presence of virus in soils Serge Winogradsky () - ANSWER-Did pioneering work on S, N, Fe transformations; investigated microbial growth on CO2 and inorganic ions (chemoautotrophy). Alexander Fleming () - ANSWER-Discovered the evidence for the first antibiotic (penicillin, produced by fungus) Selman Waksman () - ANSWER-Discovered the antibiotic streptomycin for TB, produced by a soil actinomycete (bacteria with filamentous growth) isolated by group at Rutgers University Pasteurization - ANSWER-treating a substance with heat to kill or slow the growth of