Oxygen Is Required in Biological Systems for

question 130

Multiple Choice

Oxygen is required in biological systems for

• A) chemical messengers.
• B) serving as catalysts.
• C) storage of energy.
• D) cellular metabolism.
• E) serving as structural components of bone.

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Definitions:

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A systematic investigation aimed at acquiring knowledge about the natural world, employing methods of observation, experimentation, and analysis.

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The usefulness or applicability of something in real-world situations.

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