ETEXT CAMPBELL BIOLOGY IN FOCUS INSTANT
3rd Edition
ISBN: 9780135964422
Author: Urry
Publisher: PEARSON
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Chapter 29.3, Problem 3CC
Summary Introduction
To explain:
The accumulation of ethanol in the plant roots subjected to waterlogging.
Introduction:
The conversion of sugar molecule into metabolites in the anaerobic conditions is called fermentation. The products of the fermentation process are gases, such as carbon dioxide, organicacids, and alcohols.
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Describe transpiration pull model of water transport in plants. What are thefactors influencing transpiration? How is it useful to plants?
Part F - How to determine transpiration rates by the whole plant method
Which of the following best explains why the plant in front of the fan lost more mass than the control plant in normal room conditions?
The leaves of the plant in front of the fan had the highest initial water potential and therefore lost the most water.
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The control plant had a lower initial mass and so lost water at a decreased rate.
The fan rapidly moves water molecules away from the leaf surface, lowering the water potential.
MAKE CONNECTIONS Note three ways the propertiesof water contribute to soil formation. See Concept 3.2.
Chapter 29 Solutions
ETEXT CAMPBELL BIOLOGY IN FOCUS INSTANT
Ch. 29.1 - Why is long-distance transport important for...Ch. 29.1 - Prob. 2CCCh. 29.1 - WHAT IF? Some plants can detect increased levels...Ch. 29.2 - If a plant cell immersed in distilled water has a...Ch. 29.2 - How would a reduction in the number of aquaporin...Ch. 29.2 - WHAT IF? What would happen if you put plant...Ch. 29.3 - Prob. 1CCCh. 29.3 - WHAT IF? If an element increases the growth rate...Ch. 29.3 - Prob. 3CCCh. 29.4 - Prob. 1CC
Ch. 29.4 - Prob. 2CCCh. 29.4 - Prob. 3CCCh. 29.5 - A scientist adds a water-soluble inhibitor of...Ch. 29.5 - WHAT IF? Suppose an Arabidopsis mutant lacking...Ch. 29.5 - Prob. 3CCCh. 29.6 - Prob. 1CCCh. 29.6 - WHAT IF? If you buy cut flowers, why might the...Ch. 29.6 - Prob. 3CCCh. 29.7 - Prob. 1CCCh. 29.7 - Prob. 2CCCh. 29.7 - Prob. 3CCCh. 29 - Which structure or compartment is part of the...Ch. 29 - Prob. 2TYUCh. 29 - Prob. 3TYUCh. 29 - What would enhance water uptake by a plant cell?...Ch. 29 - Prob. 5TYUCh. 29 - Compared with a cell with few aquaporin proteins...Ch. 29 - Two groups of tomatoes were grown in the...Ch. 29 - Prob. 8TYUCh. 29 - Prob. 9TYUCh. 29 - SCIENTIFIC INQUIRY A Minnesota gardener notes that...Ch. 29 - Prob. 11TYUCh. 29 - FOCUS ON INTERACTIONS The soil in which plants...Ch. 29 - Prob. 13TYU
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- A) The concentration of CO2 is lower inside a plant cell than in the atmosphere (outside the cell). In your own words, describe how the CO2 levels are kept low inside the plant cell and explain why this is necessary. Assume stomata are open. B) Regarding the situation presented in Part A and assuming that the stomata of the plant leaves are closed, would this favour the induction of photorespiration in a C3 plant? Explain. Make reference to relevant molecule or molecules as needed. Please clearly label your responses as A and Barrow_forwardDescribe transpiration pull model of water transport in plants. What are the factors influencing transpiration? How is it useful to plants?arrow_forwardWHAT IF? If a leaf containing the sameconcentration of chlorophyll as in the solution wasexposed to the same ultraviolet light, no fluorescencewould be seen. Propose an explanation for thedifference in fluorescence emission between thesolution and the leafarrow_forward
- Despite CAM photosynthesis having a comparatively higher water use efficiency relative to C3 and C4 plants, its distribution is restricted primarily to desert succulents. In terms of water use efficiency, explain why CAM photosynthesis has not spread more widely.arrow_forwardplease draw!!! Start with a photon of sunlight and a carbon atom in a molecule of carbon dioxide in the atmosphere: model/diagram their pathway from that starting point to their final destination as a glucose molecule that is used for energy in a cell in the plant root. Following your diagram/model, provide a written explanation for what your diagram/model depicts. Make sure both your model and explanation are clear, concise, and have the appropriate level of detail to clearly demonstrate you understand photosynthesis, cellular respiration, and the movement of mass and energy in plants. PLEASE INCLUDE , how does energy end up in the plant stem?arrow_forwardNeed help In what kinds of environments would you expect to find C3, C4, or CAM plants? What is the advantage of the C4 pathway when CO2 concentrations are low?arrow_forward
- MAKE CONNECTIONS Explain how central vacuolesand cellulose cell walls contribute to plant growth (seeConcepts 6.4 and 6.7)arrow_forwardClimate monitoring demonstrates a continued increase in carbon dioxide concentration in the atmosphere. Most scientists agree that this increased carbon dioxide will also lead to higher temperatures. a) How might future climate change affect metabolic pathways in plant populations? Explain. b) Biotechnologists are currently looking for ways to maintain food sources in climbing heat and carbon dioxide levels, particularly in developing countries. One such endeavor is to convert rice from a C3 to a C4 pathway to increase its photosynthetic efficiency. Will this actually increase its efficiency? Explain.arrow_forwardIn 1966, André Jagendorf and Ernest Uribe directly tested whether artificial proton gradients in isolated chloroplasts could support the generation of ATP without redox energy or light. Chloroplasts were suspended in the dark in low-pH buffer and allowed to equilibrate. When the buffer was changed to a higher pH and ADP and radiolabeled phosphate (32P) were added, 32p-labeled ATP accumulated in the stroma. Answer the following questions on the basis of the results of this experiment: pH 4 ++K o comune OpH 111 7!!! o↓ Measure amount of sip.ATP synthesized Allow to equilibrate OC. 8 OD. 6 Add ADP and p Choose one: ⒸA. 16 OB. 12 Which of the following is a true representation of the experimental design and results? B. Choose one: A. In order for ATP to be synthesized, the concentration of protons must be higher in the lumen than in the surrounding chloroplast solution. OB. ATP was used as an energy source to pump protons from the lumen into the stroma. OC. The proton-motive force…arrow_forward
- Identify how the function of C4 biochemistry results in an increase in WUE (water use efficiency, unit C gain per unit H20 loss) and NUE (nitrogen use efficiency, unit C gain per unit leaf N) relative to a C3 plantarrow_forwardChoose correct option and explain. A plant wilts when- a) sunlight is not available and the rate of photosynthesis slows down. b) the mycorrhizae among its roots have "stolen" too much water from the plant. c) it is sad. d) turgor pressure in cells' central vacuoles is high. e) turgor pressure in cells' central vacuoles is lowarrow_forwardWater potential a) The value for Ψ in root tissue was found to be -3.3 bars. If you take the root tissue and place it in a 0.1 M solution of sucrose at 20°C in an open beaker, what is the Ψ of the solution, and in which direction would the net flow of water be? b) NaCl dissociates into 2 particles in water: Na+ and Cl-. If the solution in question 4 contained 0.1M NaCl instead of 0.1M sucrose, what is the Ψ of the solution, and in which direction would the net flow of water be? c) A plant cell with a Ψs of -7.5 bars keeps a constant volume when immersed in an open-beaker solution that has a Ψs of -4 bars. What is the cell’s ΨP?arrow_forward
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