Related to the Economics in Practice on Page 51: the Amazon

question 124

Multiple Choice

Related to the Economics in Practice on page 51: The Amazon Kindle and the electronic textbooks available for the Kindle are complementary goods. Electronic textbooks and traditional, hard copy textbooks are substitute products. If the price of traditional, hard-copy textbooks increases,

• A) demand for traditional, hard-copy textbooks decreases and demand for electronic textbooks increases.
• B) the quantity of traditional, hard-copy textbooks demanded decreases and demand for electronic textbooks increases.
• C) the quantity of electronic textbooks demanded increases and demand for the Kindle increases.
• D) the quantity of electronic textbooks demanded increases and demand for traditional, hard-copy textbooks decreases.

---

Definitions:

Metaphase II

A stage of meiosis II where sister chromatids align at the equatorial plate of the cell, preparing for separation into daughter cells.

Prophase I

The first stage of meiosis I during which chromosomes condense and homologous chromosomes pair up.

Mature Follicle

A mature follicle is a fluid-filled sac in the ovary that contains a mature egg ready for ovulation.

Sustentacular Cell

A type of cell found in the testis that supports and nourishes spermatids during sperm development.