Nester's Microbiology: A Human Perspective
9th Edition
ISBN: 9781259709999
Author: Denise G. Anderson Lecturer, Sarah Salm, Deborah Allen
Publisher: McGraw-Hill Education
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Chapter 28, Problem 9MC
Mycorrhizas represent associations between plant roots and microorganisms that
a) are antagonistic.
b) help plants take up phosphorus and other nutrients from soil.
c) involve algae in the association with plant roots.
d) form nodules on the plant's leaves.
e) lead to the production of antibiotics.
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Students have asked these similar questions
Black spot fungus is a disease that is known to attack roses in humid climates. At first, small black spots appear on the leaves. If left untreated, the entire plant can die. From this information, what is mostly the main cause of the demise?
a) The plants’ cells are unable to carry out aerobic respiration.
b) The leaves are unable to manufacture enough sugar to maintain the health of the plant.
c) The roots are unable to absorb enough water.
d) The stems are unable to support the plant.
Glomeromycota help extract resources for plants to grow. The plant provides the
Glomeromycota with carbohydrates in exchange. This is an example of a:
a) Saprotroph
b) Symbiote
c) Predator
d) Parasite
What are mycorrhizae?
a) The bodies of fungi, composed of hyphae
b) fungi that attack plant roots, causing disease
C) fungal hyphae that are massed together into stringlike structures
d)
fungi that have symbiotic partnerships with algae or cyanobacteria
e) mutually beneficial associations of particular fungi and plant roots
Chapter 28 Solutions
Nester's Microbiology: A Human Perspective
Ch. 28 -
1. Describe why a microbial mat has green,...Ch. 28 -
2. How do bacteriocins benefit bacteria in their...Ch. 28 - Prob. 3SACh. 28 - What is the role of genetic databases in...Ch. 28 - Prob. 5SACh. 28 - Prob. 6SACh. 28 - Prob. 7SACh. 28 - Prob. 8SACh. 28 - Give examples of free-living and symbiotic...Ch. 28 - Prob. 10SA
Ch. 28 - Prob. 1MCCh. 28 - Which of the following is false? a) Culture...Ch. 28 -
3. Which of the following pairs that relate to...Ch. 28 - Prob. 4MCCh. 28 - Prob. 5MCCh. 28 - Prob. 6MCCh. 28 - Prob. 7MCCh. 28 -
8. Energy for ecosystems can come from
a)...Ch. 28 -
9. Mycorrhizas represent associations between...Ch. 28 - In symbiotic nitrogen fixation by rhizobia and...Ch. 28 - Prob. 1ACh. 28 - Prob. 2ACh. 28 - Prob. 1CTCh. 28 - Prob. 2CT
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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
- Which is false among A-E regarding symbiotic nitrogen fixation? A) O Initiation of the symbiosis involves communication between the plant and bacteria B)O Within the plant, the bacteria differentiate into N2 fixing bacteroids C) O The N2-fixation process is sensitive to oxygen. D) O The bacteria infect the root of the plant via an infection thread. E) O None are false; A-E are all true,arrow_forwardMycorrhizal fungi form obligate symbiotic relationships within plants. They are able to fix N2 into a usable form of nitrogen. In exchange, they receive nutrition from the plant. Which of the following is a true statement concerning mycorrhizal fungi? a) Finding a host plant is not crucial to their survival. b) They are a dominant species. c) They cannot survive without the host plant. d) They are considered plant parasites.arrow_forwardII. Match the terms associated with plant nutrition with its description. A) Mycorrhizae B) Root nodules C) Predator D) Root hairs E) Parasite 6. A plant that absorbs nutrients created by another plant. 7. A plant in a nutrient deficient environment digest small insect as an alternative nutrient Source. 8. Where absorption of nutrients from epidermal outgrowth of the root cells. 9. Found on roots where bacterial cells exist symbiotically as a source of nitrogen for the plant. 10. A symbiotic relationship for nutrient source of plant and fungus.arrow_forward
- 1. Choose the letter of the mode of nutrition with the descriptions below. A) Endoparasite B) Heterotrophs C) Autotrophs D) Saprophytes E) Chemoautotrophs 1. Peace lilies create its own food. 2. Halophiles uses chemicals to produce substances as source of energy. 3. Antelopes obtains food from other resources since it cannot produce its own. 4. Shitake mushrooms digest food in its environment before absorbing the nutrients it needs. 5. Ascaris absorbs nutrients from other living organisms by staying inside the body of that organism.arrow_forwardPlants do not require oxygen to produce ATP. A) True B) Falsearrow_forwardTo acquire immobile nutrients, the root system must be:Group of answer choices A.)Actively growing B.) in an environment with adaquate available moisture C.) In an unsaturated soil environment D.) All of the abovearrow_forward
- The rhizosphere is:Group of answer choices A.) an area 1-2 mm in thickness adjacent to the root. B.) Bacteria that assists in the conversion nitrogen gas. C. ) Fungi that assists in the absorption of micronutrients. D.) All of the abovearrow_forward11.a) The roots of legumes, such as peas and beans, have special nodules that are home to large numbers of bacteria. What benefit do these bacteria provide to the plant? What do they receive inexchange? b)Virtually all plant species have some way of protecting themselves against herbivores. Yet there exist many thriving species of herbivores across the globe. Demonstrate how these two realities can coexist. c)Compare and contrast the two types of root systems. Describe the characteristics of each.arrow_forwardWhich of the following does not have macroconidia and microconidia, settles on the skin and nail?a) Trichophyton mentagrophytesb) Epidermophyton floccosumc) Microsporum canisd) Trichophyton rubrume) Candida albicansarrow_forward
- The specific relationship between a legume and its mutualisticRhizobium strain probably depends on(A) each legume having a chemical dialogue with a fungus.(B) each Rhizobium strain having a form of nitrogenase thatworks only in the appropriate legume host.(C) each legume being found where the soil has only theRhizobium specific to that legume.(D) specific recognition between chemical signals and signalreceptors of the Rhizobium strain and legume species.arrow_forwardWhich of the following is not a way in which antifungaldrugs are effective?(a) They interfere with nucleic acid synthesis.(b) They increase plasma membrane permeability causingexcessive leakiness of essential substances.(c) They can impair the mitotic spindle apparatus.(d) They can induce mycorrhizae production.(e) None of the abovearrow_forwardThe process by which growth cones move toward a specific chemical is called a) contact guidance. b) diffusion. c) chemotaxis. d) neurotropism.arrow_forward
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