BIOL 525 - Plant Physiology Exam #2 Name: Student ID: 1. Write an equation that

Question

BIOL 525 - Plant Physiology Exam #2 Name: Student ID: 1. Write an equation that describes the individual components that define the overall water potential of a live leaf cell and a leaf xylem cell (e.g. Psilive leaf cell = ?; Psileaf xylem = ?)? Define each component and describe how each individual component varies relative to that of pure water (i.e. psi or = 0) [6 pts]. 2. What are the three pathways for water and nutrient transport from the root hairs to the xylem cells? How are they different? 16 pts]

Explanation / Answer

Roots have root hairs which are thin walled outgrowths of epiblema. The root hairs take up nutrients by active transport,

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