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Questions and Answers
What is metabolism?
What is metabolism?
the synthesis and breakdown of compounds
What are the required atoms in living systems?
What are the required atoms in living systems?
hydrogen, oxygen, and carbon
What is the percent composition of the required atoms in human beings?
What is the percent composition of the required atoms in human beings?
63% H, 25.5% O, 9.5% C, 1.4% N
What is the percent composition of the required atoms in seawater?
What is the percent composition of the required atoms in seawater?
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Study Notes
Metabolism
- Metabolism involves the synthesis and breakdown of compounds essential for life processes.
Required Atoms
- Living systems predominantly require three key atoms:
- Hydrogen
- Oxygen
- Carbon
Percent Composition of Atoms
- Composition in humans:
- 63% Hydrogen
- 25.5% Oxygen
- 9.5% Carbon
- 1.4% Nitrogen
- Composition in seawater:
- 66% Hydrogen
- 33% Oxygen
- 0.0014% Carbon
- Composition in Earth's crust not provided, but typically includes a broader range of elements.
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