Which of the Following Correctly Describes a Major Difference Between

question 58

Multiple Choice

Which of the following correctly describes a major difference between pheophytins and chlorophylls?

• A) Pheophytins contain iron in their centers while chlorophylls contain magnesium.
• B) Chlorophylls contain iron in their centers while pheophytins contain magnesium.
• C) Pheophytins contain no metal ion in their centers.
• D) Pheophytins aren't at all like chlorophylls, but are quinones.

---

Definitions:

Plessy V. Ferguson

The 1896 U.S. Supreme Court decision that upheld the constitutionality of racial segregation laws for public facilities under the "separate but equal" doctrine.

Ludlow (CO)

The site of the Ludlow Massacre in 1914 where a violent conflict between striking coal miners and the Colorado National Guard took place.

1914

The year marking the start of World War I, a pivotal moment in global history that had profound impacts on geopolitics and society.

Suffrage Movement

The social, political, and economic struggle that aimed to extend voting rights to excluded groups, notably women, culminating in significant legal reforms.