Which of the Following Causes the Root Pressure That Moves

question 66

Multiple Choice

Which of the following causes the root pressure that moves water upward in plant xylem?

• A) Negative water potential in the xylem sap
• B) High pressure potential of water in the soil
• C) Movement of water from root cells into the soil
• D) Active transport of minerals from soil to root cells
• E) High atmospheric humidity

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Definitions:

Gap Junctions

Specialized intercellular connections that facilitate the direct transfer of ions and small molecules between the cytoplasms of adjacent cells.

Intercalated Discs

Specialized connections between myocardial cells in the heart, facilitating the synchronized contraction of cardiac tissue.

Desmosomes

Specialized cell structures that function in cell adhesion, anchoring cells to each other within tissues.

Peristalsis

The sequential muscular contractions that move food along the digestive tract.