The Cells of the Xylem Are Dead at Functional Maturity

question 6

Multiple Choice

The cells of the xylem are dead at functional maturity.This allows

• A) osmosis into the xylem.
• B) transpiration to occur in the stem.
• C) the water molecules in the xylem to form a continuous column from root to shoot.
• D) sugars to be actively transported into the xylem.

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Definitions:

Fuel Sources

Materials or substances used to generate power or energy, typically to produce heat, light, or to power engines.

Inputs

Resources used in the production process, including labor, technology, and materials.

Economies Of Scale

Situation in which output can be doubled for less than a doubling of cost.

Increasing Returns

A situation where the addition of more units of input results in a more-than-proportional increase in output.