Introduction to Biochemistry for Nurses: Biomolecules and Composition
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Questions and Answers

Which of the following is the main reason why carbon is predominant in living systems?

  • Its high reactivity with oxygen
  • Its ability to form strong ionic bonds
  • Its ability to form long chains and rings (correct)
  • Its ability to bond with up to six other atoms

What are the main elements that biomolecules are composed of?

  • Carbon, hydrogen, iron, zinc, copper, and silver
  • Carbon, oxygen, sodium, potassium, calcium, and magnesium
  • Carbon, nitrogen, helium, neon, argon, and krypton
  • Carbon, oxygen, hydrogen, nitrogen, phosphorous, and sulfur (correct)

What is the building block (monomer) of proteins?

  • Sugar residues
  • Lipids
  • Amino Acids (correct)
  • Carbohydrates

Which molecules compose living things according to the provided information?

<p>Biomolecules (C)</p> Signup and view all the answers

Why are carbon, oxygen, hydrogen, nitrogen, phosphorous, and sulfur significant in living organisms?

<p>They can form stable covalent bonds (A)</p> Signup and view all the answers

What can carbon covalently bond with?

<p>Up to four other atoms (A)</p> Signup and view all the answers

What is the main role of water in cells according to the provided information?

<p>Water is a major component of cells (A)</p> Signup and view all the answers

Which is the main reason why carbon is more abundant in living organisms than in the rest of the universe?

<p>Its ability to form diverse organic compounds (C)</p> Signup and view all the answers

'Nucleic Acids' are composed of which main elements according to the provided information?

<p>'Carbon, oxygen, hydrogen, nitrogen, phosphorous' (B)</p> Signup and view all the answers

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