Physicochemical and Environmental Plant Physiology, Fourth Edition
Language: English
Pages: 604
ISBN: 0123741432
Format: PDF / Kindle (mobi) / ePub
This is the fourth edition of an established and successful reference for plant scientists. The author has taken into consideration extensive reviews performed by colleagues and students who have touted this book as the ultimate reference for research and learning. The original structure and philosophy of the book continue in this new edition, providing a genuine synthesis of modern physicochemical and physiological thinking, while entirely updating the detailed content. Key concepts in plant physiology are developed with the use of chemistry, physics, and mathematics fundamentals.
The figures and illustrations have been improved and the list of references has been expanded to reflect the author's continuing commitment to providing the most valuable learning tool in the field. This revision will ensure the reputation of Park Nobel's work as a leader in the field.
* More than 40% new coverage
* Incorporates student-recommended changes from the previous edition
* Five brand new equations and four new tables, with updates to 24 equations and six tables
* 30 new figures added with more than three-quarters of figures and legends improved
* Organized so that a student has easy access to locate any biophysical phenomenon in which he or she is interested
* Per-chapter key equation tables
* Problems with solutions presented in the back of the book
* Appendices with conversion factors, constants/coefficients, abbreviations and symbols
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Coefficient of glycine for the chloroplast membranes? D. What is the external concentration of glycerol (sj = 0.60) in which the chloroplasts have the same initial volume as in 0.3 m sucrose? What is the chloroplast volume after a long time in the glycerol solution? 3.8. References and Further Reading Atkins, P.W., and de Paula, J. 2006. Atkins’ Physical Chemistry, 8th ed. W. H. Freeman, New York. Chung, S.H., and Kuyucak, S. 2002. Recent advances in ion channel research. Biochim. Biophys. Acta.
Pressure or gravity. In particular, for movements across membranes, Dh is effectively zero, so 103 3.1. Chemical Potential of Ions we will omit the gravitational term in this chapter. Changes in the V j P term can also usually be ignored because they are relatively small, as we will indicate later. Therefore, the chemical potential generally used when dealing with ions is mÃj þ RT ln aj þ zj FE; commonly referred to as the electrochemical potential. This phraseology emphasizes the role played.
Concentration of the various species in a solution was developed by Peter Debye and Erich H€ uckel in the 1920s. In a local region around 107 3.1. Chemical Potential of Ions a particular ion, the electrostatic forces, which can be described by relations such as Equation 2.3 [Electrical force = Q1Q2/(4pe0Dr2)], constrain the movement of other ions. As the concentration increases, the average distance between the ions decreases, thereby facilitating ion–ion interactions. Equation 2.3 indicates,.
EM, where M refers to membrane. Hence, for both equilibrium and nonequilibrium situations, we have Ei À Eo = DE = EM. When a particular ionic species j is in equilibrium across some membrane, EM equals EN j , which is the Nernst potential for that species. However, regardless of the actual electrical potential difference across a membrane (EM), a Nernst potential for each individual ionic species j can always be calculated from Equation 3.6 by using the ratio of the outside to the inside activity.
Involved with the sieve tube members of the phloem. linear files; their adjoining end walls or perforation plates have from one large hole to many small holes. The conducting cells lose their protoplasts, and the remaining cell walls thus form a low-resistance channel for the passage of solutions. Xylem sap moves from the root, up the stem, through the petiole, and then to the leaves in these hollow dead xylem “cells,” with motion occurring in the direction of decreasing hydrostatic pressure.