What Ion Is Found at the Center of the Tetrapyrole

question 50

Multiple Choice

What ion is found at the center of the tetrapyrole in chlorophyll a?

• A) calcium
• B) manganese
• C) iron
• D) copper
• E) magnesium

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Definitions:

Homo Sapiens

The species name for modern humans, characterized by bipedalism, high brain capacity, and complex social behaviors.

Neanderthals

Neanderthals were archaic humans who lived in Eurasia until about 40,000 years ago, known for their robust build and large cranial capacity.

African Continent

The world's second-largest and second-most populous continent, located south of Europe and bordered to the west by the Atlantic Ocean and to the east by the Indian Ocean.

Extinct Human Populations

Groups of humans who have no living descendants, often identified through archaeological and genetic evidence.