Biomolecules Overview

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Questions and Answers

Which biomolecule serves as a major energy source for cells?

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

What is the primary function of lipids in living organisms?

  • Enzyme activity
  • Insulation (correct)
  • Tissue structure
  • Immune response

Which major element is essential in nucleic acids for carrying genetic information?

  • Carbon
  • Oxygen
  • Nitrogen (correct)
  • Hydrogen

What mnemonic can help remember the major elements in biomolecules?

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

Which biomolecule is responsible for tissue structure and enzyme activity in living organisms?

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

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Study Notes

  • Biomolecules are large molecules necessary for life, including Carbohydrates, Lipids, Proteins, and Nucleic Acids.
  • Carbohydrates serve as a major energy source for cells, with glucose being a key monosaccharide used in cellular respiration.
  • Lipids, including fats and oils, are hydrophobic and play roles in long-term energy storage, insulation, membrane structure, and hormone production.
  • Proteins, made up of amino acids, are vital for tissue structure, cell membrane function, enzyme activity, and immune response.
  • Nucleic acids like DNA and RNA are comprised of nucleotides and carry genetic information essential for cell traits and functions.
  • Plants have cell walls made of carbohydrates like cellulose, while lipid structures form cell membranes and play roles in insulation and hormone production.
  • The mnemonic "CHONP" helps remember the major elements in biomolecules: Carbon, Hydrogen, Oxygen, Nitrogen, and Phosphorus.

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