Micr 2123 Study guides, Class notes & Summaries

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...

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...

MICR 2123 Exam 4 questions and correct

MICR 2123: Final Exam Questions With Complete Solutions 5 levels of intracellular control of gene expression - 1. DNA 2. transcription 3. post-transcription 4. translation 5. post-translation /.ABC transport - energy comes from ATP hydrolysis /.ability needed by nose and mouth microbiota - All colonizers here need to be able to adhere to surfaces to avoid flushing to the acidic stomach /.accidental transmission - when a host that is not part of the normal infection cycle unint...

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....

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...

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...