Mark Loves Ice Cream

question 21

Multiple Choice

Mark loves ice cream.At any point in time,he will buy an additional ice cream cone if

• A) the marginal benefit from it exceeds the price.
• B) the marginal benefit from it is zero.
• C) his willingness to pay is less than the price.
• D) there is no deadweight loss produced by his purchase of a cone.
• E) None of the above answers is correct.

---

Definitions:

Phospholipids

A class of lipids forming the major component of cell membranes, consisting of a phosphate group, a glycerol backbone, and two fatty acid tails.

Plasma Membrane

A membrane made of two layers of lipids encircles the cell, managing how substances move into and out of it.

Intracellular

Located or occurring within a cell or cells.

Extracellular

Located or occurring outside the cell, often referring to the environment or substances in the space surrounding cells.