The Flow of Xylem Sap Up a Plant

question 21

Multiple Choice

The flow of xylem sap up a plant

• A) continues during the night.
• B) does not vary during the day.
• C) is driven by root pressure.
• D) would be slowed by the removal of some of the leaves of the plant.
• E) requires energy.

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Definitions:

Magnesium

A mineral and a key component of many enzymes, playing a critical role in various physiological processes including muscle and nerve function, blood sugar control, and blood pressure regulation.

Carbon Dioxide Metabolism

The process by which living organisms produce energy through the oxidation of carbon dioxide, or its involvement in photosynthesis in plants.

Phosphorus

A chemical element with the symbol P, essential for life, involved in the formation of DNA, cell membranes, and bone and teeth structure.

Nucleic Acids

Complex organic substances that carry genetic information, consisting of two main types: DNA and RNA.