Why Is the Molecule of Chlorophyll a in Photosystem II's

question 46

Multiple Choice

Why is the molecule of chlorophyll a in photosystem II's reaction centre known as P680?

• A) because it absorbs 680 photons per minute
• B) because it will generate 680 molecules of ATP per photon absorbed
• C) because it absorbs photons with a wavelength of 680 nm
• D) because exactly 680 accessory pigments are in the photosystem

---

Definitions:

Standard of Living

The level of wealth, comfort, material goods, and necessities available to a person, group, or society.

Population Growth

The increase in the number of individuals in a population, often measured over a specific time period, and influenced by factors such as birth rates, death rates, and migration.

Demographic Transition Model

A theoretical model describing the transition from high birth and death rates to low birth and death rates as a country develops from a pre-industrial to an industrialized economic system.

Industrial Revolution

A period of major industrialization that took place during the late 1700s and early 1800s, marked by a shift from agrarian societies to industrial and urban centers, leading to significant social, economic, and cultural changes.