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Micr-2123 Midterm Exam Questions with Revised Answers – UPDATED!!!
Micr-2123 Midterm Exam Questions with Revised Answers – UPDATED!!! The proteins of the electron transport systems are usually - Answer-located within a membrane. Which of the following forms of energy production does NOT involve the formation of a proton gradient to synthesize ATP? - Answer-Fermentation The proton motive force is a source of energy that can directly power all of the following EXCEPT the - Answer-synthesis of proteins from amino acids. Some organisms can create a sodi...
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MICR 2123 Exam 4 questions and correct answer
PopularMICR 2123 Exam 4 questions and correct answer
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Micr 2123 Quizzes 1 & 2 With Correct Solutions!!
Micr 2123 Quizzes 1 & 2 With Correct Solutions!!...
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MICR 2123 Exam 1 Questions With Correct Answers
MICR 2123 Exam 1 Questions With Correct Answers 2 techniques to obtain a pure culture - Answer-1) Streak Plate 2) Spread Plate /.4 Growth Stages - Answer-1) Lag: getting used to the environment and preparing to grow. 2) Log: exponential growth. 3) Stationary: Can't grow any more. 4) Death: Nutrients run out and microbes start to die. /.Acidophiles - Answer-pH (0-5) /.Active ABC Transporters - Answer-Concentrated in cell. Energy comes from ATP hydrolysis. ATP- Binding Cassette....
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MICR 2123 Final Exam Study Questions And Answers
MICR 2123 Final Exam Study Questions And Answers A mutation where one or more nucleotides is (are) inserted or deleted - Answer-Insertion/deletion mutation /.A phototroph uses light energy. - Answer-True /.A piece of DNA passes (HGT or VGT?) - Answer-horizontal gene transfer /.An organoheterotroph uses organic sources of carbon and electron. - Answer-True /.ATP production that happens before the ETS or is not dependent on ETS function is called _____ phosphorylation. Examples are...
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MICR 2123 Final Exam Questions With Detailed Answers
MICR 2123 Final Exam Questions With Detailed Answers Archaea Diversity - Answer-Methanogens are strictly anaerobic. The uses 1C or 2C sources to produce CH4. Uses cofactors methanofuran and coenzyme M. Grow in anaerobic habitats such as anaerobic soils, landfills, digestive tracts, and marine benthic sediments. /.Assimilation - Answer-Process by which organisms acquire an element to build into cells from an inorganic source. Carried out by primary producers. CO2 Fixation, N2 Fixation, Phot...
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MICR 2123 Exam 2 Questions with All Answers Revised and Updated
MICR 2123 Exam 2 Questions with All Answers Revised and Updated Helicase - Answer-An enzyme in DNA replication that "unzips" the two strand by breaking the H bonds. Primase - Answer-An enzyme in DNA replication that lays down a short stretch of complementary RNA. DNA Polymerase - Answer-The star enzyme of DNA replication. Adds the nucleotides to the grown chain, using information from the original strand. Rnase H - Answer-An enzyme in DNA replication that removes the RNA primers....
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MICR 2123 Final Exam Questions with Answers All Updated
MICR 2123 Final Exam Questions with Answers All Updated Nonsense Mutation - Answer-The changed codon now calls for a stop codon, ending the genetic code early. Framshift Mutation - Answer-Most extreme type of mutation. A single base is added or deleted, changing the entire frame after the mistake. Control of Gene Expression: DNA Level - Answer-Most drastic and least reversible. Mutate the gene. Control of Gene Expression: Transcription Level - Answer-Activators and repressors, as we...
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MICR 2123 Exam Questions with Answers
MICR 2123 Exam Questions with Answers Cyanobacteria and green plants both perform oxygen's photosynthesis. In this form of photosynthesis, what is the electron source - Answer-H20 Most haloarchaea are photoeterotrophs: they capture light as an energy source. How do these organism use light - Answer-They use bacteriorhodopsin, a light-powered proton pump What is a common electron source for microbes undergoing lithotrophy - Answer-Ammonia Oxidation is the ___ of electrons, and reducti...
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MICR 2123 Test Questions with Complete Solutions All Revised and Updated
MICR 2123 Test Questions with Complete Solutions All Revised and Updated separation is the final step in what cellular process - Answer-Cell division the process of chemotaxis typically requires a bacterium to have what two features - Answer-chemoreceptors and motility a bacterial membrane will have a decreased fluidity by the insertion of _____ into that membrane - Answer-Hopanoids cytoplasmic membrane is primarily composed of: - Answer-Phospholipids and proteins gram-positive c...
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MICR 2123 Exam Questions & Answers All Revised and Tested
MICR 2123 Exam Questions & Answers All Revised and Tested Respiration can be defined as completion of metabolism: - Answer-with an Electron Transport System and Terminal Electron Acceptor The greatest amount of reduced NADH is produced during which stage of aerobic respiration? - Answer-TCA cycle The F0F1-ATPase drives which of the following processes in bacteria? - Answer-ATP biosynthesis from ADP and Pi Which of the following food preservation methods can actually lead to sterilizati...
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MICR 2123 Exam #1 Questions with complete solutions
Electron beams can not be used to resolve images of objects. T/F? Correct Answer-False In all types of electron microscopy, electrons pass through the specimen. Correct Answer-False This type of light microscopy can be used to view very thin cells or flagella. It does that by using this property of light. Correct Answer-Dark field; Light scattering In this type of microscopy, light is delayed by passing through the sample and so objects look as if they are out of phase. It employs this ...
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MICR 2123 Exam #1 Questions with complete solutions
MICR 2123 Exam #1 Questions with complete solutions
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