WHAT IS LIFE? W/ACHIEVE 1 TERM ACCESS PK
5th Edition
ISBN: 9781319516017
Author: PHELAN
Publisher: MAC HIGHER
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Chapter 19, Problem 7MC
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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Chapter 19 Solutions
WHAT IS LIFE? W/ACHIEVE 1 TERM ACCESS PK
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- 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_forwardWhich type(s) of organism/s does not produce enzymes needed to breakdown toxic forms of oxygen? Select all that apply. a. Obligate aerobes b. Facultative anaerobes Oc. Microaerophiles Od. Aerotolerant anaerobes De. Obligate anaerobesarrow_forwardWhich of the following processes is described in the reaction shown in the picture? a.denitrification b.nitrification c.nitrogen fixation d.assimilationarrow_forward
- Why does secondary treatment of wastewater require O2? A. Secondary treatment relies on anaerobic microbes to oxidize organic material. B.Secondary treatment relies on anaerobic microbes to reduce organic material. C.Secondary treatment relies on aerobic microbes to oxidize organic material. D.Photosynthetic bacteria are involved in secondary treatment and they require O2. E. Flocs require oxygen to facilitate biofilm formation.arrow_forward(a) Increasing the number of microorganisms in a composting system through inoculum addition, hastens the decomposition process; (b) The heating of the compost pile up to thermophilic levels destroys weed seeds and kills plant pathogenic microorganisms A. If statement A is true B. if statement B is true C. both statement A and B are true D. statement A nor B are truearrow_forwardWhy 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_forward
- (a) Propose a biosynthetic pathway to the secondary metabolite, B. HO Metabolite Barrow_forwardChoose the combination of answers that most accurately completes the statement. An important test for identifying Neisseria is a. production of oxidase c. sugar fermentation b. production of catalase d. beta-hemolysisarrow_forwardAn obligate anaerobe A has the necessary enzymes to process toxic oxygen products B does not require oxygen in its metabolism, but can tolerate its presence . C lacks the enzymes necessary for processing toxic oxygen products. D grows in high pressure environments.arrow_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_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_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_forward
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