In aerobic conditions, what would happen to a bacteria that did not contain the enzyme superoxide...
Homework Answers
In aerobic conditions, that means presence of oxygen which contains unpaired electrons and hence lead to formation of highly reactive free radicals due to reduction. These radicals are highly reactive and act on biomacromolecules such as lipids, proteins and DNA and destroy them. Hence cells have regulatory mechanisms to control these highly reactive free radicals and these include superoxide dismutase and catalase enzymes which convert these reactive species into non-reactive species.
If a cell lacks these enzymes and exposed to the oxygen then free radicals destroy all the macromolecules present in the cell and eventually die.
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aerobic conditions, what would happen to a bacteria that did not
contain the enzyme superoxide...
1. a. An important enzyme in living systems is superoxide dismutase. Superoxide dismutase gets rid of...
1. a. An important enzyme in living systems is superoxide dismutase. Superoxide dismutase gets rid of the superoxide ion, which can be damaging to other biomolecules. Superoxide has the formula O2 . Draw an energy level molecular orbital diagram for superoxide. What is the bond order? Is it paramagnetic or diamagnetic? b. Draw two dot structures for superoxide. Do any of these structures convey the same essential ideas about the O2 ion as the molecular orbital diagram? Is this structure...
Date _2-20-20 Name: Lab Report: 11 Gas Requirements for the Growth of Bacteria 1 What was the pur...
Date _2-20-20 Name: Lab Report: 11 Gas Requirements for the Growth of Bacteria 1 What was the purpose of this laboratory experiment? ard t1 boctania loeabeal on To Dolatbt aml tola vt their geua Draw the growth pa tterns in thioglycollate broth for each of the bacteria. 2. Clostridium butyricum Escherichia coli Pseudomonas aeruginosa 3. Compare the differences among obligate aerobes, obligate anaerobes, facultative anaerobes, microaerophiles and aerotolerants. 4. Explain the role of the enzymes superoxide dismutase, catalase and peroxidase...
what is the evolutionary significance of the enzyme, superioxide dismutase, catalase and peroxidase
what is the evolutionary significance of the enzyme, superioxide dismutase, catalase and peroxidase
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37. What does the enzyme catalase do (also see Chapter 6)? a. Detoxifies H.O, created in...
37. What does the enzyme catalase do (also see Chapter 6)? a. Detoxifies H.O, created in the oxidation of flavoprotein in the e' transport chain b. Detoxifies H,O, created by the action of superoxide dismutase c. Allows many aerobic, facultatively anaerobic, and microaerophil microbes to survive d. All of the above 38. What type of media is used in the catalase test (we will use the test tube version, not the slide) a. Agar plate b. Agar slant c. Agar...
Clostridium buttercup does not appear to have superoxide dismisses (SOD) and catalase enzymes. How would growth...
Clostridium buttercup does not appear to have superoxide dismisses (SOD) and catalase enzymes. How would growth of C. Butyricum in oxic conditions compare to its growth in anoxic conditions? On this basis what is aerotolerance category of C. Butyricum?
98) Superoxide dismutase is an entryme involved in oxygen detoxification 99) Obligate anacrobes can't express catal...
98) Superoxide dismutase is an entryme involved in oxygen detoxification 99) Obligate anacrobes can't express catalase. 100) Aerotolerant bacteria express catalase Back to Multiple Choice: 101) Bacterial numbers can be obtained by a) counting them in a chamber slide b) using a coulter counter c) determining cfu by spread-plate plate counts d) optical density e) all of the above 102) The coulter counter works based on a) photons b) electron e) cell growth d) visual detection e) none of the...
2 H 20? Which enzyme catalyzes the reaction: H202 + 2H Peroxidase Superoxide dismutase Catalase Oxidase...
2 H 20? Which enzyme catalyzes the reaction: H202 + 2H Peroxidase Superoxide dismutase Catalase Oxidase QUESTION 2 Which of the following is the best definition of fermentation? The production of ethanol from glucose The production of energy by substrate level phosphorylation The reduction of glucose to pyruvic acid The complete catabolism of glucose to CO2 and H2O The oxidation of glucose with organic molecules serving as electron acceptors QUESTION 3 The best definition of osmotic pressure is The active...
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AEROBIC VS. ANAEROBIC IN Would you recommend exercising in aerobic or anaerobic conditions for a rapid...
AEROBIC VS. ANAEROBIC IN Would you recommend exercising in aerobic or anaerobic conditions for a rapid but sustained weight loss? Explain your rationale using explanations in terms of the electron transport system (ETS), Krebs cycles, and other metabolic pathways. Use scientific language.
1. a. An important enzyme in living systems is superoxide dismutase. Superoxide dismutase gets rid of the superoxide ion, which can be damaging to other biomolecules. Superoxide has the formula O2 . Draw an energy level molecular orbital diagram for superoxide. What is the bond order? Is it paramagnetic or diamagnetic? b. Draw two dot structures for superoxide. Do any of these structures convey the same essential ideas about the O2 ion as the molecular orbital diagram? Is this structure...
Date _2-20-20 Name: Lab Report: 11 Gas Requirements for the Growth of Bacteria 1 What was the purpose of this laboratory experiment? ard t1 boctania loeabeal on To Dolatbt aml tola vt their geua Draw the growth pa tterns in thioglycollate broth for each of the bacteria. 2. Clostridium butyricum Escherichia coli Pseudomonas aeruginosa 3. Compare the differences among obligate aerobes, obligate anaerobes, facultative anaerobes, microaerophiles and aerotolerants. 4. Explain the role of the enzymes superoxide dismutase, catalase and peroxidase...
37. What does the enzyme catalase do (also see Chapter 6)? a. Detoxifies H.O, created in the oxidation of flavoprotein in the e' transport chain b. Detoxifies H,O, created by the action of superoxide dismutase c. Allows many aerobic, facultatively anaerobic, and microaerophil microbes to survive d. All of the above 38. What type of media is used in the catalase test (we will use the test tube version, not the slide) a. Agar plate b. Agar slant c. Agar...
98) Superoxide dismutase is an entryme involved in oxygen detoxification 99) Obligate anacrobes can't express catalase. 100) Aerotolerant bacteria express catalase Back to Multiple Choice: 101) Bacterial numbers can be obtained by a) counting them in a chamber slide b) using a coulter counter c) determining cfu by spread-plate plate counts d) optical density e) all of the above 102) The coulter counter works based on a) photons b) electron e) cell growth d) visual detection e) none of the...
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AEROBIC VS. ANAEROBIC IN Would you recommend exercising in aerobic or anaerobic conditions for a rapid but sustained weight loss? Explain your rationale using explanations in terms of the electron transport system (ETS), Krebs cycles, and other metabolic pathways. Use scientific language.
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