Mic 102 exam questions Study guides, Class notes & Summaries

MIC 102 UC Davis Exam Questions with Correct Answers What is a microbe? - Answer-"free-living organisms so small that they are only visible under the microscope" Are their exceptions to the definition to microbes? - Answer-Yes, some microbes are hug, not free-living, or organisms What is LUCA? And how does it relate to microbes? - Answer-Last Universal Common Ancestor is thought to be what all organisms have evolved from over 4 billion years. Specifically though, the LUCA is thought to...

MIC 102 Final Exam Questions with Correct Answers What are the different types of microscopy and staining and when are they used? - Answer-Types of microscopy include: light microscopy- used primarily to get an idea of the form of the bacteria, used in combination with staining to get an idea of Gram positive and Gram negative protein. Green fluorescent is used to observe cell occurrences like binary fission and movement of proteins. Electron microscopy is very detailed at getting an i...

What are the different types of microscopy and staining and when are they used? CORRECT ANSWER Types of microscopy include: light microscopy- used primarily to get an idea of the form of the bacteria, used in combination with staining to get an idea of Gram positive and Gram negative protein. Green fluorescent is used to observe cell occurrences like binary fission and movement of proteins. Electron microscopy is very detailed at getting an idea of what is occurring inside and outside of the ce...

Light microscopy CORRECT ANSWER - Uses visible light to examine microscopic-sized objects that cannot be seen by the naked eye. - Allows finer detail than the naked eye. Electron microscopy CORRECT ANSWER - Visualize objects much smaller than those resolved optically. - Use accelerated electrons instead of light photons. - Samples are fixed with chemicals to cross-link molecules to preserve their structure. Fluorescent stains CORRECT ANSWER - Used with light microscopy. - Fluorescence ...

antibiotic- old and new definition CORRECT ANSWER - originally referred to any compound produced by one species of microbe that could kill or inhibit the growth of other microbes. -today the term is also used for synthetic chemotherapeutic agents that are clinically useful but chemically synthesized. Selective toxicity CORRECT ANSWER -a quality of an antibiotic - Antibiotic must selectively kill or inhibit the pathogen but not the host, How is selective toxicity possible? CORRECT ANSWE...

MIC 102 Exam Questions with Correct Answers What are the three main subgroups of Eukaryotes? - Answer-Algae, Protozoa, Fungi What subgroup does Algae and Protozoa make? - Answer-Protists DESCRIBE THE ROLE OF A PLASMA MEMBRANE AND A CELL WALL. - AnswerWhat's the difference between Basic & Differential Stain? - Answer-Basic Stain: Allows you to determine the basic structure of a bacteria (rod, etc) Differential Stain: Uses more than one stain --> most popular: the gram stain. Why wou...

MIC 102 2023 Exam Questions with Correct Answers transmission electron microscope (TEM) preparing specimens - Answer-transmission electron microscope (TEM) preparing specimens Microorganisms - Answer-organisms that are too small to be seen clearly with the unaided eye Multicellular microorganisms - Answer-microbes that are visible without microscopes which are consists of small aggregations of cells example bread molds and filamentous photosynthetic microbes Cellular microbes - Answe...

MIC 102 Exam 1 Questions with Correct Answers Which type of cell is most susceptible to osmotic lysis in an environment with a very low concentration of solutes (hypotonic)? - Answer-Mycoplasma Which of the following cellular structures self-assemble (purified monomers can assemble into the structure without added factors or the input of energy)? - AnswerFlagellar filament Phospholipid bilayer S layer mycoplasma - Answer-only prokaryotic group listed that do not have a cell wall to res...

MIC 102 Unit 6-1 Exam Questions and Answers All Correct Which two of the following are surface barriers that microorganisms must overcome to establish an infection? - Answer-skin mucous membranes Immunology is the study of . - Answer-immune responses to foreign substances and microbes The gastrointestinal, genitourinary, and respiratory tracts are internal structures connected with the environment, and are lined with . - Answer-mucous membranes The outermost layer of human skin provid...