Exam 1 MicroBiology Delgado Study Guide with Complete Solutions

Exam 1 MicroBiology Delgado Study Guide with Complete Solutions Robert Hooke - Answer️️ -He was an Englishman who first discovered cells He looked at slices of cork and saw what he described as cellulae, which is Latin for little room Here is what he saw → the cells were the remains of once living plant cells Anton Van Leeuwenhoek - Answer️️ -He was a Dutch fabric merchant, he was the first to describe living cells Using this simple/basic microscope he was able to describe some bacteria, protists, nematodes (roundworms), blood cells, sperm cell, and lots of others Lister - Answer️️ -English surgeon who sterilized his equipment Cell Theory - Answer️️ -All known living things are made up of one or more cells Cells are the basic units of all living things Cells arise from preexisting cells by cell division Cells contain hereditary info that is passed on during cell division ©SOPHIABENNET@2024/2025 Thursday, August 22, 2024 1:01 AM DELGADO COMMUNITY COLLEGE 2 Theodore Schwann and Mathias Schleiden - Answer️️ -Credited with the development of the Cell Theory Spontaneous Generation - Answer️️ -States that given a set of conditions cell will form: "Life arises spontaneously from non-living material" INCORRECT Louis Pasteur - Answer️️ -Considered the "Father of Modern Microbiology" French scientist who discredited Spontaneous Generation (Think broth, flask, and neck) Germ Theory of Disease - Answer️️ -Principle that microorganisms cause diseases Scientific Method - Answer️️ -Make an observation Develop a hypothesis Design experiments to test the hypothesis Do the experiment, collect and analyze the data Draw a conclusion Communicate methods, results, and conclusions ©SOPHIABENNET@2024/2025 Thursday, August 22, 2024 1:01 AM DELGADO COMMUNITY COLLEGE 3 Scientific Theory - Answer️️ -Explanation supported by a large amount of evidence Yeast - Answer️️ -Microscopic single celled fungus Bioremediation - Answer️️ -Microorganisms are used to degrade environmental pollutants; also used to clean up oil spills Disease - Answer️️ -One area where microbes have direct effects on our lives Prokaryotes - Answer️️ -Do NOT have a membrane-bound (enclosed) nucleus Eukaryotes - Answer️️ -HAVE a membrane-bound nucleus and organelles Archaea - Answer️️ -Ancient bacteria Non-Peptidoglycan prokaryotic microbes Thermophiles - Answer️️ -Live in high temperatures (90-100 C) Halophiles - Answer️️ -Live in extremely salty environments Extremophiles - Answer️️ -High salt concentration/temp Methanogens - Answer️️ -Produce methane gas Bacteria - Answer️️ -New bacteria Prokaryotic Pathogen - Answer️️ -Microbes with peptidoglycans ©SOPHIABENNET@2024/2025 Thursday, August 22, 2024 1:01 AM DELGADO COMMUNITY COLLEGE 4 Pathogen - Answer️️ -Disease causing organism DNA - Answer️️ -Is a nucleoid Coccus - Answer️️ -Round bacteria Bacillus - Answer️️ -Rod shaped bacteria Spirillum - Answer️️ -Spiral bacteria (like a corkscrew) Eukarya - Answer️️ -Eukaryotic organisms 4 Groups - Answer️️ -Protists Fungus Plants Animals Viruses - Answer️️ -Non-living infectious particle/agent Not considered living Can't reproduce independently Obligate intracellular parasites Capsid - Answer️️ -Viral prote