Biological Science (6th Edition)
6th Edition
ISBN: 9780321976499
Author: Scott Freeman, Kim Quillin, Lizabeth Allison, Michael Black, Emily Taylor, Greg Podgorski, Jeff Carmichael
Publisher: PEARSON
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Chapter 35, Problem 16PIAT
Summary Introduction
To review:
The adaptation strategy of the plants by adjusting stomatal conductance in case the carbon dioxide (CO2) levels continue to increase with time.
Introduction:
Stomatal conductance is described as the measure of the rate of passage of CO2 entering the stomata and H2O (water) vapor exiting the stomata.
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Chapter 35 Solutions
Biological Science (6th Edition)
Ch. 35 - CAUTION A cell is placed in a solution that is...Ch. 35 - What important role does the Casparian strip play...Ch. 35 - Prob. 3TYKCh. 35 - Why is the transport of phloem sap considered an...Ch. 35 - Prob. 5TYUCh. 35 - Prob. 6TYUCh. 35 - Prob. 7TYUCh. 35 - Prob. 8TYUCh. 35 - Prob. 9TYPSSCh. 35 - Prob. 10TYPSS
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- For a given stomatal conductance, how will an increase in atmospheric concentrations of CO2 possibly influence the rate of photosynthesis? How might this affect the water use efficiency of the plant?arrow_forwardWhich is true regarding regulation of stomata? Light provides a signal leading to the pumping of K+ and Cl- out of the guard cells Low CO2 concentration in leaves is a signal to close stomata Abscisic Acid is a hormone that signals for stomata to open Stomata remain open under hot, dry conditions If guard cells are turgid (full of water), the stomatal pore is openarrow_forwardWhat causes the opening and closing of guard cells of stomata duringtranspiration?arrow_forward
- Draw a diagram illustrating how latent heat flux is driven by humidity gradients between the inside of a stomatal cavity, the leaf surface and the bulk atmosphere.arrow_forwardWhat are the effects of sulphur dioxide stress (exposed to a excesssive amount of SO2) on plants ? With regards to: >Stomata opeing >Chlorophyll content >Number of leavesarrow_forwardWhat are potential outcomes when a plant's stomata close in response to heat and water stress? Select all that apply. CO2 and O2 may compete for the active site of rubisco. Photorespiration is more likely to occur. Photosynthesis is more efficient. Gas exchange comes to a halt.arrow_forward
- Predict whether flowering in a short day plant with a minimum critical length of 14 hours would be expected to occur in the following situations. The plant is exposed to 15 hours of daylight and 9 hours of darkness uninterrupted. The plant is exposed to 9 hours of daylight and 15 hours of darkness. The plant is exposed to 9 hours of daylight and 15 hours of darkness, with 10 minutes exposure to red light in the middle of the night.arrow_forwardDo plants require to adjust the solute types that arrive at the xylem? Name the molecules that assist in adjusting. How is the regulation of the type and quantity of solutes that reach the xylem brought about by the plants?arrow_forwardHow is opening and closing of stomata regulated?arrow_forward
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