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 7, Problem 4ITD
Summary Introduction
To review:
The effects of increased temperature due to elevated levels of CO2 on the respiration rate of sagebrush leaves and to review the data sufficiency.
Introduction:
Respiration rate is the amount of loss of CO2 micromoles by leaf per meter square per second. Sagebrush is an evergreen herb belonging to the aster family. It produces fine, silvery hairy-leaves. They emit a strong, pungent, turpentine-like odor.
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Chapter 7 Solutions
Biology: The Dynamic Science (MindTap Course List)
Ch. 7.1 - Prob. 1SBCh. 7.1 - Distinguish between cellular respiration and...Ch. 7.2 - Prob. 1SBCh. 7.2 - What is the redox reaction in glycolysis?Ch. 7.2 - How is ATP synthesized in glycolysis?Ch. 7.3 - Summarize the fate of pyruvate molecules produced...Ch. 7.4 - What distinguishes the four complexes of the...Ch. 7.4 - Prob. 2SBCh. 7.5 - Prob. 1SBCh. 7.5 - Prob. 2SB
Ch. 7.6 - Prob. 1SBCh. 7.6 - What are the types of molecules that are the...Ch. 7.6 - Prob. 3SBCh. 7 - What is the final acceptor for electrons in...Ch. 7 - Prob. 2TYKCh. 7 - Prob. 3TYKCh. 7 - Prob. 4TYKCh. 7 - Prob. 5TYKCh. 7 - Prob. 6TYKCh. 7 - Prob. 7TYKCh. 7 - Prob. 8TYKCh. 7 - Which of the following statements is false?...Ch. 7 - In the 1950s, a diet pill that had the effect of...Ch. 7 - Discuss Concepts Why do you think nucleic acids...Ch. 7 - A hospital patient was regularly found to be...Ch. 7 - 13. There are several ways to measure...Ch. 7 - Apply Evolutionary Thinking Which of the two...Ch. 7 - Prob. 1ITDCh. 7 - Prob. 2ITDCh. 7 - As CO2 concentrations increase in the atmosphere,...Ch. 7 - Prob. 4ITD
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- As CO2 concentrations increase in the atmosphere, biologists continue to explore the role of respiration from plants as a small but potentially important contribution beyond fossil fuel combustion. The data in the Table were collected from the leaf of a sagebrush plant from a semiarid ecosystem in Wyoming, enclosed in a chamber that measures the rate of CO2 exchange. The respiration rate is the amount of CO2 in micromoles lost by the leaf per square meter per second, which results in the negative numbers. The temperature values are from the leaves as they are heated or cooled during the measurements. Observation Temperature (C) Respiration Rate (mol/m2/s) 1 25 -2.0 2 30 -2.7 3 35 -4.1 4 40 -5.8 5 20 -1.3 6 15 -1.0 7 10 -0.7 Cengage Learning 2017 What describes the relationship between temperature and respiration, a line or a curve? Does the Q10 that you calculated in 2 suggest a line or a curve? Source: Data based on unpublished research by Brent Ewers, University of Wyoming.arrow_forwardPhotosynthesis directly opposes respiration in determining how plants influence atmospheric CO2 concentrations. When a leaf is in the light, both photosynthesis and respiration are occurring simultaneously. The data in the Table were collected from the leaf of a sagebrush plant that was enclosed in a chamber that measures the rate of CO2 exchange. The same leaf was used to collect the data in Interpret the Data in Chapter 7. Respiration is shown as a negative and photosynthesis as a positive rate of CO2 exchange. The net photosynthesis rate is the amount of CO2 (in micromoles per square meter per second) assimilated by the leaf while respiration is occurring; a positive value indicates more photosynthesis is occurring than respiration. The light exposed to the leaf is quantified as the number of photons in the 400 to 700 nm wavelength, the photosynthetic photon flux density (PPFD); 2,000 mol/m2/s is equivalent to the amount of light occurring at midday in full Sun. Observation Photosynthetic Photon Flux Density (PPFD) (mol/m2/s) Net Photosynthesis (mol/m2/s) 1 2,000 9.1 2 1,500 8.4 3 1,250 8.2 4 1,000 7.4 5 750 6.3 6 500 4.8 7 250 2.2 8 0 -2.0 Why is net photosynthesis negative when PPFD is zero? Looking at the respiration data from Interpret the Data in Chapter 7, at what temperature do you think these data were collected? Source: Data based on unpublished research by Brent Ewers, University of Wyoming.arrow_forwardCOMPARE AND CONTRAST THE RESPIRATION OF PLANTS AND ANIMALS AND EXPLAIN COMPREHENSIVELY. -AT LEAST 5 SIMILARITIES OF PLANT AND ANIMAL RESPIRATION -DISPARITIES *AT LEAST 10 FOR PLANT RESPIRATION * AT LEAST 10 FOR ANIMAL RESPIRATIONarrow_forward
- To reduce six molecules of carbon dioxide to glucose via photosynthesis, how many molecules of NADPH and ATP are required? a. 6 NADPH and 6 ATP b. 12 NADPH and 12 ATP c. 12 NADPH and 18 ATP d. 18 NADPH and 12 ATP e. 24 NADPH and 18 ATParrow_forwardIf you were to label H2O with a traceable oxygen isotope (O18) and use this to water a grape vine, what metabolic product molecules would end up with the O18 and why? Similarly, what if you feed a plant CO2 labeled with O18, where would the labeled oxygen atoms end up?arrow_forwardExplain how the metabolic processes of cellular respiration and photosynthesis recycle carbon dioxide (this is a biochemistry and ecology question). Go through the biochemical steps of photosynthesis and cellular respiration that involve carbon dioxide describing how carbon dioxide is involved. Then describe the ecological aspects of this question. Trace a molecule of CO2 from the a muscle cell through the circulatory and respiratory systems to the environment. This is an anatomy and physiology question and should include a discussion of all four types of respiration, of both the respiratory and circulatory systems, and should include a description of diffusion where appropriate.arrow_forward
- Is the following statement true or false? Unlike animals, which make many ATP by aerobic respiration, plants make all of their ATP by photosynthesis.arrow_forwardIn the Cellular Respiration Lab Why is it necessary to absorb the carbon dioxide (CO2) in the vials? (What would happen to the water level if there was no KOH?)arrow_forwardOther than CO2 produced what else could we measure to find out the rate of cellular respiration?arrow_forward
- The following data were collected from the light-dark bottle incubation experiment for photosynthesis and respiration measurements of a 2-m deep column of water body. The incubation experiment was conducted during the 6.5-hour period from dawn to noon. Please calculate the net photosynthesis (NP), gross photosynthesis (GP), and respiration (R) per square meter of this body of water during a 24-hour day period. Show your calculation process. bottle Dissolved oxygen concentration (mg/L) initial bottle 4.02 light bottle 6.75 dark bottle 2.98arrow_forwardIf you don’t water a plant, it will eventually die. Explain why the absence of water halts photosynthesis. Also, cells that use aerobic cellular respiration, like humans, do not produce ATP at normal levels without oxygen gas. Discuss why this is so.arrow_forwardWhich of the following tissues [(a) apical meristem, (b) cortex, (c) vascular tissues] would be respiring (cellular respiration) the most? the least? why?arrow_forward
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