Locating a Point on a Utilities Possibilities Frontier Gives You

question 35

Multiple Choice

Locating a point on a utilities possibilities frontier gives you information about:

• A) both equity and efficiency.
• B) equity but not efficiency.
• C) efficiency but not equity.
• D) profitability but not efficiency.

---

Definitions:

Companion Cells

Specialized cells in the phloem of plants that are closely associated with sieve tube elements and assist with the transport of photosynthetic products.

Pressure Flow Theory

A hypothesis explaining how sugars are moved from the leaves where they're produced to other parts of the plant through phloem.

Parenchyma

In plants, simple tissue composed of living, thin-walled cells; has various specialized functions such as photosynthesis.

Xylem

The vascular tissue in plants that conducts water and dissolved nutrients upwards from the root and also helps to form the woody element in the stem.