Proteins Chemistry Basics Quiz

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Questions and Answers

What are the building blocks of proteins?

  • Nucleic acids
  • Amino acids (correct)
  • Fatty acids
  • Carbohydrates

Which elements are present in proteins?

  • Carbon, Oxygen, Sodium, and Magnesium
  • Carbon, Hydrogen, Oxygen, and Sulphur
  • Carbon, Nitrogen, Phosphorus, and Sulfur
  • Carbon, Hydrogen, Oxygen, and Nitrogen (correct)

What are proteins known as when they are in the form of polymers?

  • Lipids
  • Polypeptides (correct)
  • Nucleotides
  • Monosaccharides

How many natural amino acids serve as the primary building blocks for all proteins?

<p>20 (A)</p> Signup and view all the answers

How many functional roles do proteins perform?

<p>6 (A)</p> Signup and view all the answers

What is the primary building block for all proteins?

<p>Amino acids (B)</p> Signup and view all the answers

Which element is NOT present in proteins?

<p>Oxygen (A)</p> Signup and view all the answers

Which functional role involves proteins that act as oxygen carriers?

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

What is the distinct side chain in an amino acid called?

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

What are proteins known as when they are in the form of polymers?

<p>Peptides (B)</p> Signup and view all the answers

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