Podcast
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?
Why do cells not collide with each other?
Why do cells not collide with each other?
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?
What is the main difference between biological macromolecules and other molecules?
What is the main difference between biological macromolecules and other molecules?
What is the purpose of the periodic table?
What is the purpose of the periodic table?
What is the approximate percentage of carbon in living organisms?
What is the approximate percentage of carbon in living organisms?
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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