Your Friend Is Preparing for This Exam and in Your

question 453

Essay

Your friend is preparing for this exam and in your practice session makes the following statement: "Instead of attending microeconomics class for two hours, Kiki could have played tennis or watched a movie. Therefore, the opportunity cost of attending class is the tennis and the movie she had to give up." Is your friend's analysis correct or not? Explain your answer.

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Definitions:

Simple Cuboidal Cells

A type of epithelial cell that is cube-shaped and forms the lining of various glands and ducts, playing a role in secretion and absorption.

Proximal Tubule

The segment of the nephron in the kidney immediately following the Bowman's capsule that reabsorbs water, ions, and nutrients from the filtrate.

Microvilli

Tiny, finger-like extensions of the plasma membrane of cells, especially epithelial cells, which increase surface area for absorption.

Proximal Tubule

The portion of the nephron in the kidney closest to the renal corpuscle, involved in the reabsorption of water, ions, and nutrients.