Microbiology: A Systems Approach
5th Edition
ISBN: 9781259706615
Author: Marjorie Kelly Cowan Professor
Publisher: McGraw-Hill Education
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Textbook Question
Chapter 7, Problem 3MCQ
Chemoautotrophs can survive on ______ alone.
- a. minerals
- b. CO2
- c. minerals and CO2
- d. methane
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Chapter 7 Solutions
Microbiology: A Systems Approach
Ch. 7.1 - List the essential nutrients of a bacterial cell.Ch. 7.1 - Prob. 2AYPCh. 7.1 - List and define four different terms that describe...Ch. 7.1 - Define saprobe and parasite, and provide microbial...Ch. 7.1 - Prob. 5AYPCh. 7.1 - Identify the effects of isotonic, hypotonic, and...Ch. 7.1 - Name two types of passive transport and three...Ch. 7.2 - List and define five terms used to express a...Ch. 7.2 - Prob. 9AYPCh. 7.2 - Prob. 10AYP
Ch. 7.2 - Prob. 11AYPCh. 7.2 - Discuss characteristics of biofilms that...Ch. 7.3 - Summarize the steps of cell division used by most...Ch. 7.3 - Define doubling time and describe how it leads to...Ch. 7.3 - Compare and contrast the four phases of growth in...Ch. 7.3 - Prob. 16AYPCh. 7 - The source of the necessary elements of life is a....Ch. 7 - An organism that can synthesize all its required...Ch. 7 - Chemoautotrophs can survive on ______ alone. a....Ch. 7 - Prob. 4MCQCh. 7 - Prob. 5MCQCh. 7 - Prob. 6MCQCh. 7 - A cell exposed to a hypertonic environment will...Ch. 7 - Prob. 8MCQCh. 7 - Prob. 9MCQCh. 7 - In a viable plate count, each _____ represents a...Ch. 7 - Prob. 11TFCh. 7 - Prob. 12TFCh. 7 - Prob. 13TFCh. 7 - Prob. 14TFCh. 7 - A facultative anaerobe can grow with or without...Ch. 7 - Prob. 1CTQCh. 7 - Describe the process used by a saprobic microbe to...Ch. 7 - Prob. 3CTQCh. 7 - Explain what is happening to the bacterial...Ch. 7 - Prob. 5CTQCh. 7 - Prob. 1VCCh. 7 - Using the words that follow, please create a...
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- Bacteria that serve as decomposers are______ . a. photoautotrophs c. chemoautotrophs b. photoheterotrophs d. chemoheterotrophsarrow_forwardFarmers often spray spores of which bacterial species that make a protein toxic only to some insect larvae? a. Bacillus thuringiensis b. Proteobacteria c. Agrobacterium tumefaciens d. Aspergillus niger e. Verticilliumarrow_forwardA hyperthermophile most likely has: a) cryoprotectants b) low void volume proteins c) unsaturated fatty acids d) isoprenoid lipidsarrow_forward
- organisms that use light energy as carbon source is known as Select one: a. chemoHeterotrophs b. photoheterotrophs c. photoautotrophs d. chemoautotrophsarrow_forwardIn a dark cave, you discover a microscopic creature growing by stripping electrons from Cu+ (cuprous copper) and fixing atmospheric carbon. Your new pet, "Little Blue", is a: a) Chemoautotroph b) Chemoheterotroph c) Photoautotroph d) Photoheterotropharrow_forwardThe majority of heterotrophic bacteria are (a) free-living chemoheterotrophs (b) photoautotrophs (c) chemo-autotrophs (d) facultative anaerobes (e) obligate anaerobesarrow_forward
- Chlorinating swimming pools is an example of______________ to control microbial populations. A. employing halogens B. employing heavy metals C. employing surfactantsarrow_forwardThese bacteria ferment sugars, produce lactate, and are used for some food production. a. Bacillus b. spirochetes c. cyanobacteria d. Agrobacterium e. Lactobacillusarrow_forwardWhich of the following requires aerobic conditions? Question 7 options: A) nitrogen fixation B) sludge digestion C) primary sewage treatment D) secondary sewage treatmentarrow_forward
- Requires oxygen at a lower concentration than typically found in air. Question 3 options: a) Obligate aerobe b) Facultative anaerobe c) microaerophile d) None of the abovearrow_forwardAtmospheric nitrogen can be useda) directly by all living organisms.b) only by aerobic bacteria.c) only by anaerobic bacteria.d) in symbiotic relationships between rhizobia and plants.e) in photosynthesis.arrow_forwardThese enzymes require a temperature of 15 degree Celsius or lower needed for growth / optimal activity.* A.Thermophiles B. Cryophiles C. Halophiles D. Piezophilesarrow_forward
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