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AP®︎/College Biology

Course: AP®︎/College Biology > Unit 1

Lesson 2: Elements of life

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Elements of life

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The following table shows the relative percentages of elements in a certain biological molecule.

Element	Percentage of total
Carbon (C)	46, percent
Nitrogen (N)	0, percent
Phosphorus (P)	0, percent
Oxygen (O)	51, percent
Sulfur (S)	0, percent
Hydrogen (H)	3, percent

Which of the following best describes the biological molecule?

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