Biomolecules Quiz

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Questions and Answers

Which chemical reaction joins two monosaccharides to form larger carbohydrate molecules?

  • Dehydration synthesis (correct)
  • Hydrolysis
  • Polymerization
  • Oxidation

What is the main source of energy in all organisms?

  • Carbohydrates (correct)
  • Proteins
  • Nucleic Acids
  • Lipids

What is the building block of proteins?

  • Monosaccharides
  • Amino Acids (correct)
  • Nucleotides
  • Fatty acids

What is the chemical formula for monosaccharides?

<p>C₆H₁₂O₆ (A), C₆H₁₂O₆ (D)</p> Signup and view all the answers

What functional group consists of a single nitrogen atom bonded to two hydrogen atoms?

<p>Amino group (D)</p> Signup and view all the answers

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Study Notes

Carbohydrates

  • Condensation reaction, also known as dehydration synthesis, joins two monosaccharides to form larger carbohydrate molecules.

Energy Source

  • ATP (Adenosine Triphosphate) is the main source of energy in all organisms.

Proteins

  • Amino acids are the building blocks of proteins.

Monosaccharides

  • The general chemical formula for monosaccharides is (CH2O)n, where n is the number of carbon atoms in the molecule.

Functional Groups

  • Amino group, consisting of a single nitrogen atom bonded to two hydrogen atoms (NH2), is a functional group commonly found in biomolecules.

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