What is Life? A Guide to Biology with Physiology
3rd Edition
ISBN: 9781464157745
Author: Jay Phelan
Publisher: W. H. Freeman
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Chapter 17, Problem 10MC
Summary Introduction
Introduction:
Nitrogen needs to be fixed by certain types of soil bacteria, to make it available to plants for use.
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Which of the following processes is described in the reaction shown in the picture?
a.denitrification
b.nitrification
c.nitrogen fixation
d.assimilation
These bacteria ferment sugars, produce lactate, and are used for some food production.
a.
Bacillus
b.
spirochetes
c.
cyanobacteria
d.
Agrobacterium
e.
Lactobacillus
All of the following are cofactors of SOD (superoxide dismutase) EXCEPT?
A. Zinc
B. Maganese
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Chapter 17 Solutions
What is Life? A Guide to Biology with Physiology
Ch. 17 - Prob. 1SACh. 17 - Prob. 2SACh. 17 - Prob. 3SACh. 17 - Prob. 4SACh. 17 - Prob. 5SACh. 17 - Prob. 6SACh. 17 - Prob. 7SACh. 17 - Prob. 8SACh. 17 - Prob. 9SACh. 17 - Prob. 10SA
Ch. 17 - Prob. 11SACh. 17 - Prob. 12SACh. 17 - Prob. 13SACh. 17 - Prob. 14SACh. 17 - Prob. 1MCCh. 17 - Prob. 2MCCh. 17 - Prob. 3MCCh. 17 - Prob. 4MCCh. 17 - Prob. 5MCCh. 17 - Prob. 6MCCh. 17 - Prob. 7MCCh. 17 - Prob. 8MCCh. 17 - Prob. 9MCCh. 17 - Prob. 10MCCh. 17 - Prob. 11MCCh. 17 - Prob. 12MCCh. 17 - Prob. 13MCCh. 17 - Prob. 14MC
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- A microbe that relies on nitrogenase for metabolism would benefit from living in a biofilm containing another microbe with which type of metabolism? A. Assimilatory nitrate oxidation B. Dissimilatory sulfite reduction nitrate reduction C. Dissimilatory nitrite oxidation D. Dissimilatory E. Assimilatory nitrate reductionarrow_forwardMatch the microorganisms in column A with their corresponding product in column B, then match your answer in column B to column C. A B C 1. B. subtilis A. Lactic acid I. Primary metabolite 2. Xanthomonas B. Erythromycin II. Secondary metabolite 3. C. glutamicon C. Rifamycin III. Tertiary metabolite 4. Bifidobacteria D. Glutamic acid IV. Quaternary metabolite 5. A. oryzae E. Acetic acid 6. E. coli F. Gentamicin 7. Ascomycetes G. Citrate 8. Brewer’s yeast H. Amylase 9. S. orientalis I. Polymysin 10. P. furiosus J. Vitamin C 11. S. erythraea K. Taq polymerase 12. Aspergillus L. Penicilin 13. M. purpurea M. Cellulase 14. S. mediterranei N. Vancomycin 15. Acetobacter O. Vitamin B P.…arrow_forwardWhich of the following processes is/are used to fix atmospheric N2? a.bacterial action b.Haber process c.lightning d.transaminationarrow_forward
- Why is Phenol red being utilized in MacConkey agar? Choose among the choices and further explain it.A. Inhibit microscopic organismsB. Detect the production of gas by-productsC. Conduct the sulfate reduction testD. Detect the acid reaction of lactose fermentationarrow_forwardWhich of the following bacteria would be the most accurate indicatorof fecal contamination?a. Enterobacter aerogenes b. Thiobacillus acidophilus c. Escherichia coli d. Staphylococcus aureusarrow_forwardWhich of the following compounds represents a peptidoglycan specific antibiotic ? A. tetracycline B. chloramphenicol C. penicillin D. aspirinarrow_forward
- What is the proper term for an organism whose optimum growth range is between 20 and 50C but can grow well at refrigerator temperatures? a. psychrophile b. psychrotroph c. hypophiles d. psychrobotarrow_forwardNitrification”is the conversion of:a.carbon compounds to nitrogen compounds.b.nitrogen gas (N2) to ammonia (NH2).c.ammonium (NH4+) to nitrate (NO3-).d.ammonia (NH3) to nitrogen gas (N2).e.ammonium (NH4+) to nitrite (NO2-).arrow_forwardA bacterium that lives in the human intestine derives its nutrition by digesting the contents of the intestine. Which mode of nutrition best describes this bacterium? A. aerobic chemoheterotroph B. aerobic chemoautotroph C. anaerobic chemoheterotroph D. anaerobic chemoautotropharrow_forward
- What is the primary cause of Amoebiasis? Select one: O a. Giardia lamblia O b. Entamoeba histolytica c. Entamoeba coli d. Balantidium coliarrow_forwardIsoenzyme analysis is usually done from samples from the a. liver b. urine c. salivary glands d. blood serumarrow_forwardSuperoxide ion is toxic to strict anaerobes because they lacka. catalase b. peroxidase c. dismutase d. oxidasearrow_forward
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