BIO 1406/07 W/CONNECT/LM NEW >IC<
16th Edition
ISBN: 9781260075762
Author: Raven
Publisher: MCG CUSTOM
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Textbook Question
Chapter 28, Problem 7A
Plants cannot fix nitrogen, yet some plants do NOT need nitrogen from the soil. This is because
a. of a symbiotic association with a bacterium that can fix nitrogen.
b. these plants are the exceptions that can fix nitrogen.
c. they have been infected by a parasitic virus that can fix nitrogen.
d. they are able to obtain nitrogen from the air.
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Students have asked these similar questions
Which of the following statements DOES NOT describe nitrogen fixing bacteria?
A. Can be found only as a symbiotes associated with the root nodules of legumes.
B. Maybe be present in soil.
C. Converts atmospheric nitrogen to organic nitrogen.
D. Composed of many species of bacteria.
Describe the roles of microbes in:
a. The formation of root nodules and The Rhizosphere
c. The Ruminant Stomach
d. The causes and consequences of algal blooms
e. Life in deep sea vents (Tubeworms)
f. Coral Reefs and Bleaching
g. Bioremediation
The digestive tract of birds (poultry) allow the growth of Salmonella species and Campylobacter species that:
a. are probiotic bacteria that promote human health
b. cause food-borne illness in humans
c. secrete toxins when population density is high which kill human intestinal cells and cause dysentery & diarrhea
d. explains why poultry meat should not be left out at room temperature before cooking
e. impart a fruity aftertaste to the dark meat
Chapter 28 Solutions
BIO 1406/07 W/CONNECT/LM NEW >IC<
Ch. 28 - Prob. 1UCh. 28 - A cell that can use energy from the sun, and CO2...Ch. 28 - Gram-positive (+) and gram-negative () bacteria...Ch. 28 - Which of the following characteristics is unique...Ch. 28 - The horizontal transfer of DNA using a plasmid is...Ch. 28 - The disease tuberculosis is a. caused by a...Ch. 28 - Prokaryotes participate in the global cycling of...Ch. 28 - Which of the following is typically NOT associated...Ch. 28 - The mechanisms of DNA exchange in prokaryotes...Ch. 28 - The cell wall in both gram-positive and...
Ch. 28 - The three domains of life a. represent variations...Ch. 28 - Ulcers and tooth decay do not appear related, but...Ch. 28 - Bacteria lack independent internal membrane...Ch. 28 - Plants cannot fix nitrogen, yet some plants do NOT...Ch. 28 - If a new form of carbon fixation was discovered...Ch. 28 - Prob. 2SCh. 28 - Use of multiple antibiotics is not a bad idea if...Ch. 28 - Soil-based nitrogen-fixing bacteria appear to be...
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- .further break down the nutrients left behind by scavengers. A. Cyanobacteria B. Proteus C. Fusarium D. Penicillium notatumarrow_forwardWhich of the following involve symbiotic relationships? A. mycorrhizae AND ruminants B. ruminants AND myxobacteria C. myxobacteria, ruminants, AND rhizobia D. rhizobia, mycorrhizae, AND ruminantsarrow_forwardSome bacteria have the ability to “fix” nitrogen. This means a. they convert ammonia into nitrites and nitrates. b. they convert atmospheric nitrogen gas into biologically useful forms of nitrogen. c. they break down nitrogen-rich compounds and release ammonium ions. d. they convert nitrate into nitrogen gas.arrow_forward
- Plant root nodules are A. formed from gall-rotting bacteria that decompose plant roots. B. harmful to plants, because the bacteria outcompete the plants for nutrients. C.sites where nitrogen fixation occurs. D. structures created by fungi and are found in all agricultural crops.arrow_forwardThink about ticks and Lyme's Disease or Rocky Mountain Spotted Fever. This situation is best described by..... A. mutualism B. exoparasite C. hyperparasitism D. hypergonadismarrow_forwardWhich microbe is NOT found present in water with eutrophication events(s)? A. Nitromonas sp. B. Bacteroides sp. C. Anabaena sp. D. Cyanobacteriaarrow_forward
- Whichof the following is NOT an agent of nitrogen fixation?a.Mycorrhizal fungib.Cyanobacteria (blue-green algae)c.Bacteria associated with legume rootsd.Lightninge.Actinomycete bacteria associated with alder rootsarrow_forwardWhich form of Nitrogen is not available for organism growth represents which of these below?a. NH4+b. NO3-c. N2d. all of these3arrow_forwardwhich of the following statements is true? a. in symniosis, one organism must benefit at the expense of the other b. in commensalism, both organisms are harmed c. in mutalism, both organisms are harmed d. a parasite is not in symbiosis with its host e. none of the above statements is truearrow_forward
- Which of the following is not true about microbial communities? A. They help herbivorous mammals to derive nutrition from otherwise indigestible cellulose. B. They consume some of the digesting food for their own nutrition. C. They help with vitamin production in the human digestive tract. D. They are present only in herbivores. E. None of the above answer choices are correct. (That is, answer choices A, B, C and D are all true statements.)arrow_forwardThe endemic plant Dichanthelium lanuginosum requires the presence of the fungus Curvularia protuberata to survive in hot environments, and the fungus in turn requires the presence of the virus CThhTV. When the fungi is absent, the plant will wilt away in hot soils. This situation involving several species whose effects are not independent of one another is an example of _____ coevolution. A. antagonistic B. specific C. escape-and-radiate D. diffusearrow_forward1. Some bacteria have the ability to survive heat, lack of moisture, cold or acidic conditions by Forming: a. Parasites b. Vegetative states c. Colonies d. Spores 2. The primary responsibility of food establishment managers in pest control is to ensure: a. Pesticides are applied safely. b. The parking area is kept free of lifter. c. Good sanitation that will eliminate food, water, and harbourage areas. d. The pest control operator they use employs integrated pest management. 3. What are the proper steps in manual and mechanical dishwashing operations after pre- flushing? a. Wash, rinse, sanitize, and air-dry. b. Wash, rinse, sanitize, and towel dry c. Rinse, wash, sanitize, and towel dry. d. Rinse, wash, sanitize, and air dry.arrow_forward
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