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Questions and Answers
What percentage of elements in living organisms is composed of oxygen?
What percentage of elements in living organisms is composed of oxygen?
- 65% (correct)
- 21%
- 46%
- 78%
What is the term for the number of protons in an atom?
What is the term for the number of protons in an atom?
- Atomic Mass
- Atomic Number (correct)
- Mass Number
- Proton Mass
What is the result of a dehydration synthesis reaction?
What is the result of a dehydration synthesis reaction?
- The breakdown of H2O
- The formation of H2O (correct)
- The exchange of electrons
- The release of energy
What is the approximate percentage of hydrogen in living organisms?
What is the approximate percentage of hydrogen in living organisms?
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Why do cells not collide with each other?
Why do cells not collide with each other?
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What is the term for atoms that have the same number of electrons and protons?
What is the term for atoms that have the same number of electrons and protons?
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What is the main difference between biological macromolecules and other molecules?
What is the main difference between biological macromolecules and other molecules?
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What is the purpose of the periodic table?
What is the purpose of the periodic table?
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What is the approximate percentage of carbon in living organisms?
What is the approximate percentage of carbon in living organisms?
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What is the term for the process of emitting neutrons, protons, and electrons to achieve a more stable atomic configuration?
What is the term for the process of emitting neutrons, protons, and electrons to achieve a more stable atomic configuration?
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