

98) Superoxide dismutase is an entryme involved in oxygen detoxification 99) Obligate anacrobes can't express catal...
11. Which of the following is most useful in representing population growth on a graph? a. logarithmic reproduction of the growth curve b. a semilogarithmic graph using a log scale on the y-axis c. an arithmetic graph of the lag phase followed by a logarithmic section for the log, stationary, and death phases d. none of the above would best represent a population growth curve 12. Which of the following methods is best for counting fecal bacteria from a stream...
A ____________________ prefers to grow at temperatures between 25-40⁰C. A. barophile B. halophile C. mesophile D. psychrophile E. all of the above F. none of the above 2. In the aerobic respiration experiment, ________ bacteria will show a small amount of growth towards the top of the media; however, it is not growing at the surface, so no pellicle forms; the red layer of indicator is still present, and there is only a small amount of bacterial growth in the...
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...
71) When amino acids forma peptide hond and water is formed, this is known as a) actually water is not formed b) hydration synthesis e) hydrolysis d) dehydration synthesis e) none of the above 72) Protein structure: a) define the protein function and can be changed by switching the order of amino acids b) is fundamentally based on the secondary protein structure c) can be defined on a total of three levels d) requires multiple polypeptides (quaternary level structure) e)...
LAR STUDY GUM Exercises 76, 77, 78, 79,719, 7.11.8.19.2.0.7.0 1. Define niche A ecological envi B by-product of microbial metabolic activities C icorial growth D host-preste relationship E None of the above 2.Microbes muy compete ayust the environment tempera requirements in order to compete for nutrients A True B. False , c.) to the prima A B The pathogenesis of disease can move son of issues by extracellule enzymes or physical blocking of capillaries due to unlimited microbial greneth True...
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2. Which of these disinfectants would be effect at a 60-95% cncentration? A. Halogens B. Alcohols C. Chlorhexidene D. All of the above 3. Most of the available antimicrobial drugs are effective against which group of organisms? A. Viruses. B. Bacteria C. Fungi. D. Protozoa. E. All of the above. The autoclave works through which of the following methods? A. High dry heat B. High pressure C. High moist heat D. High dry heat and pressure E....
correct the ones marked wrong, and explain why they are the
right answer
Part I. Multiple Choice. 1.5 points each, 32 questions, 48 points to Fill in the blank with the correct answer choice. 1. Which of the following is NOT required for microorganisms to grow and divide? ationefoliciningisson re edcorator als D replication b. binary fission um ormation injustt e@hours. This Cequatorial septum formation d. conjugation 2. A culture of Salmonella increases from 20 cells to over 10,000 cells...
I need help answering the following microbiology
questions.
1. The three tubes in the image to the right contain glucose and the pH indicator phenol red. The middle and left tubes were inoculated with bacteria, and the right tube was left uninoculated as a control. Which of the tubes show evidence of heterolactic fermentation? a. Left tube Gas b. Middle tube c. Right tube d. None of the three tubes Yellow Red Red 2. Which of the three tubes in...
need some assistance with this. thank you very much 1. Free radicals are __________ . (A) molecules that have lost an electron (C) molecules with extra neutrons (B) escaped political prisoners (D) produced by vitamins 2. The chromosomal location of the APC gene was originally identified by finding a region of the genome that was _________ in patients with colorectal cancer. (A) deleted (B) rearranged (C) normal (D) unclear 3. The National Health Service of the United Kingdom (Britain) has...
need some assistance with this please. thank you very much 1. Free radicals are __________ . (A) molecules that have lost an electron (C) molecules with extra neutrons (B) escaped political prisoners (D) produced by vitamins 2. The chromosomal location of the APC gene was originally identified by finding a region of the genome that was _________ in patients with colorectal cancer. (A) deleted (B) rearranged (C) normal (D) unclear 3. The National Health Service of the United Kingdom (Britain)...