Chemical and Biological Foundations of Life Quiz

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Questions and Answers

Which elements are some of the most abundant in living organisms?

  • Gold, silver, platinum, copper, aluminum, and titanium
  • Carbon, hydrogen, nitrogen, oxygen, sulfur, and phosphorus (correct)
  • Iron, calcium, potassium, sodium, magnesium, and zinc
  • Silicon, mercury, lead, arsenic, radon, and uranium

What are elements?

  • Substances that can be broken down into smaller substances by ordinary chemical reactions
  • Forms of matter that have mass but do not occupy space
  • Synthesized substances that are stable and occur naturally
  • Unique forms of matter with specific chemical and physical properties (correct)

How many elements occur naturally?

  • 118
  • 64
  • 92 (correct)
  • 82

What is matter?

<p>Any substance that occupies space and has mass (C)</p> Signup and view all the answers

What are the fundamental components of living matter?

<p>Nucleic acids, proteins, carbohydrates, and lipids (D)</p> Signup and view all the answers

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