The ____ Prevent(s) Important Substances in the Xylem from Leaking

question 52

Multiple Choice

The ____ prevent(s) important substances in the xylem from leaking into the root cortex.

• A) primary xylem
• B) root hairs
• C) endodermis
• D) tonoplasts
• E) pericycle

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Definitions:

Marginal Cost

The cost incurred by producing one additional unit of a product.

Concave

A shape or curve that is curved inward, resembling the interior of a circle or sphere.

Production Possibilities Frontier

A curve depicting all maximum output possibilities for two goods, given a set of inputs and technology constraints.

Marginal Rate Of Transformation

The rate at which one good must be sacrificed in order to produce an additional unit of another good, assuming efficient use of resources.