At a Price of $15 Each,Marta Buys 4 Books Per

question 82

Multiple Choice

At a price of $15 each,Marta buys 4 books per month.When the price increases to $20,Marta buys 3 books per month.Luz says that Marta's demand for books has decreased.Is Luz correct?

• A) Yes,Luz is correct.
• B) No,Luz is incorrect.Marta's demand has increased.
• C) No,Luz is incorrect.Marta's quantity demanded has decreased,but her demand has stayed the same.
• D) No,Luz is incorrect.Marta's quantity demanded has increased,but her demand has stayed the same.
• E) No,Luz is incorrect.Marta's quantity demanded has decreased and her demand has increased.

---

Definitions:

Sickle-Cell Anemia

A genetic blood disorder that causes red blood cells to assume a sickle shape, leading to various health complications.

Adaptive

Characterized by or showing the ability to change or adjust effectively to different conditions or environments.

Protein Synthesis

The biological process by which cells build proteins based on the genetic instructions encoded in DNA and carried by mRNA.

Biological Variation

Differences among individuals and populations in physical, physiological, and genetic characteristics due to evolutionary, environmental, and genetic factors.