Biology: The Dynamic Science (MindTap Course List)
4th Edition
ISBN: 9781305389892
Author: Peter J. Russell, Paul E. Hertz, Beverly McMillan
Publisher: Cengage Learning
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Chapter 35, Problem 6TYK
Summary Introduction
Introduction:
The nitrogen cycle is a biogeochemical process, by which nitrogen converts into various chemical compounds as it flows through the atmosphere, marine, and
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Chapter 35 Solutions
Biology: The Dynamic Science (MindTap Course List)
Ch. 35.1 - Prob. 1SBCh. 35.1 - Do all plants require the same basic nutrients in...Ch. 35.2 - Prob. 1SBCh. 35.2 - Prob. 2SBCh. 35.2 - Prob. 3SBCh. 35.3 - Prob. 1SBCh. 35.3 - Distinguish between nitrogen fixation,...Ch. 35.3 - Prob. 3SBCh. 35 - Prob. 1TYKCh. 35 - Prob. 2TYK
Ch. 35 - Prob. 3TYKCh. 35 - Prob. 4TYKCh. 35 - Which of the following does not influence soil pH?...Ch. 35 - Prob. 6TYKCh. 35 - Prob. 7TYKCh. 35 - Prob. 8TYKCh. 35 - Prob. 9TYKCh. 35 - Prob. 10TYKCh. 35 - Discuss Concepts If you want to study factors that...Ch. 35 - Prob. 12TYKCh. 35 - Prob. 13TYKCh. 35 - Prob. 14TYKCh. 35 - Prob. 15TYKCh. 35 - Prob. 16TYKCh. 35 - Prob. 1ITDCh. 35 - Prob. 2ITDCh. 35 - Prob. 3ITD
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- Which of the following statements is/are TRUE for nitrogen fixation? A. Process is performed by nitrifying soil bacteria. B. Performed by bacteria present in the roots of all plants. C. Reduction of N2 to NH3. D. Consumes a negligible amount of ATP.arrow_forwardMovement of phloem sap from a source to a sink(A) occurs through the apoplast of sieve-tube elements.(B) depends ultimately on the activity of proton pumps.(C) depends on tension, or negative pressure potential.(D) results mainly from diffusion.arrow_forwardThe practice of crop rotation uses nitrogen fixation to create fertile fields. First, a plant without a nitrogen-fixing relationship, such as corn, is planted. After the harvest, a nitrogen-fixing plant replaces the initial crop. Instead of harvesting the nitrogen-fixing plant, however, it is plowed under. The cycle continues in this manner. Why would nitrogen-fixing plants be plowed under instead of harvested? a) To increases usable nitrogen in the soil. b) To increase water retention. c) Nitrogen-fixing plants are not a food crop. d) To decrease bacteria in the soil.arrow_forward
- To 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_forwardSoil pH affects availability of nutrients for root absorption. The following statements are true except* a. Low pH results in an increase in Aluminum toxicity. b. Low pH results to unavailability of major nutrient elements. c. Toxic metals are more available in acidic soil. d. Low pH results in slow activity of soil-inhabiting microorganisms.arrow_forwardThe nutrition of some plants is enhanced by a mutually beneficial interaction between a root and soil bacteria. The interaction triggers formation of a_____ a. root nodule c. root hair b. mycorrhiza d. hyphaarrow_forward
- Which of the following would decrease nitrogen availability for a pea plant? a. Inability of the plant to produce flavonoids b. Formation of Nod factors c. Presence of oxygen in the soil d. Production of leghemoglobinarrow_forwardWhy do land plants have stomates (sometimes called stomata)? a. To allow plants to take in carbon dioxide from the atmosphere. b. All of the choices are true; none are false. c. To control water loss while allowing for the uptake of some raw materials of photosynthesis. d. They allow the plant to have some control over transpiration rates.arrow_forwardName the following as soil forming processes: a. Soil erosion b. Formation of humus c. Weathering of sand d. Nutrients absorbed by plant roots e. deposition of organic matter f. Leaching of water along with dissolved ionsarrow_forward
- Many plants that produce nodules for nitrogen-fixing bacteria are common on disturbed sites. Explain how these plants might simultaneously compete with and facilitate other plant species.arrow_forwardWhich of the following is true regarding plants and the nitrogen cycle? a. Nitrogen is a micronutrient b. Nitrogen is used for regulation of ion channels c. None of the above are true d. Nitrogen gas is fixed directly by plants e. Plants use fungi to fix nitrogenarrow_forwardwhat process can give plants an advantage because of the presence of these bacteria undergoing the following process can provide them with nitrogen for the production of protein? A. nitrifying B. denitrifying C. ammonification D. nirtogen fixingarrow_forward
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