glycoconjugate distinguishes gram positive from gram negative bacteria
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CHOOSE THE CORRECT LETETER. PLS ANSWER ALL
1.Which glycoconjugate distinguishes gram positive from gram negative bacteria?
A.Glycoprotein
B.Glycosaminoglycan
C.Sugar acids
D.Peptidoglycan
2.Hydrolysis of ATP yields
A.-30.5 kJ
B. -30.5 kcal
C.30.5 kJ
D. 30.5 kcal
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- Give correct answer to all parts? Nitrifying bacteria are sensitive, as both Nitrobacter and Nitrosomonas are sensitive to wide range of environmental factors. Which environmental factor is most likely to strongly inhibit nitrification processes? a. A shift in operating pH from 7.0 to 7.5 b. The introduction of 0.5 mg/L of chromium and 2.0 mg/L of copper. c. An increase in temperature from 18°C to 23°C. d. An increase would be of 2.5 mg/L in dissolved oxygen concentrations.Is the picture of a fermenter, aerobic respirer, or anaerobic respirer? This is the organisms only Electron Transport Chain. Would this also test to be Cytochrome c Oxidase positive or negative? Thank you.1. Describe the possible colour reactions one can observe with triple sugar iron (TSI) slant and the biochemistry it represents. 2. Briefly explain the term cardinal temperatures and apply it to the terms psychrotrophic and mesophilic microorganism.
- Bacteria that serve as decomposers are ___ . a. photoautotrophs b. photoheterotrophs c. chemoautotrophs d. chemoheterotrophsHelping tags: biology, microbiology, bacteria, lactic acid Can the catalase reaction be used to check the purity of the starter culture? Explain your answer. * will UPVOTE just pls help me answer the question, thanksAssume tu inoculated 100 facultative anaerobic cells unto nutrient agar and incubated the plate aerobically. You then inoculated 100 cells of the same species unto nutrient agar and incubated the second plate anaerobically. After incubation for 24 hours, you should theoretically have: A) More coloneis on the aerobic plate B) More colories on the anaerobic plate C) The same number of colonies on both paltes D) Fewer colonies on the anaerobic plate E) None of the above
- Assume tu inoculated 100 facultative anaerobic cells unto nutrient agar and incubated the plate aerobically. You then inoculated 100 cells of the same species unto nutrient agar and incubated the second plate anaerobically. After incubation for 24 hours, you should theoretically have: A) More coloneis on the aerobic plate B) More colories on the anaerobic plate C) The same number of colonies on both paltes D) Fewer colonies on the anaerobic plateCytochrome C oxidase Oxidase test results: (color and +/- negative): __________________________________ Organism does or does not possess Cyt C in ETS: _________________________ Is the 0rganism aerobic or anaerobic: _________________________________in food microbiology, how do you compute for concentration (M) and absorbance (A) of peroxidase activity on hydrogen peroxide at different pH values? (wavelength used = 415nm). can you please explain the calculations thank you if given: Temperature = 75 C Molar absorptivity coefficient = 10.5 Path length (cm) = 2 I = transmitted light = 0.45
- These enzymes require a temperature of 15 degree Celsius or lower needed for growth / optimal activity. * (Please choose one correct answer only) A. Thermophiles B. Cryophiles C. Halophiles D. PiezophilesWhy steam your slide during the application of carbolfuschin? a Steam prevents the counterstain from entering the cell wall. b Steam allows the carbolfuschin to enter the cell wall. c Steam causes the carbolfuschin to change its chemistry and stain cells. d Steam creates the acid-fast characteristic.These are enzymes that can sustain in a high hydrostatic pressure. * (Please choose one correct answer only) A. Piezohiles B. Halophiles C. Acidophiles D. Alkaliphiles E. Thermophiles