Humans Are Often Referred to as "Carbon-Based" Life Forms

question 124

Multiple Choice

Humans are often referred to as "carbon-based" life forms. Given that humans breathe oxygen, shouldn't humans be referred to as "oxygen-based" life forms?

• A)Yes, because oxygen is the most abundant element in human cells, not carbon.
• B)Yes, because humans inhale oxygen.
• C)No, because carbon is the most abundant element in human cells, not oxygen.
• D)No, because humans exhale carbon dioxide.
• E)No, because oxygen is not an organic molecule.

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Definitions:

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