haley.frederick44
haley.frederick44 May 26, 2026 • 20 views

Quiz on Biological Macromolecules for High School Students

Hey there, future biologists! 👋 Getting ready for your Biology exam and need a quick refresher on Biological Macromolecules? I've got you covered! Check out this quick study guide and quiz – it's designed to make learning easy and fun. Let's ace this together! 💯
🧬 Biology
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alexis427 Dec 27, 2025

📚 Quick Study Guide

  • 🧬 Carbohydrates: Primarily used for energy and structural support. Monomer: Monosaccharides (e.g., glucose, fructose). Examples: Starch, cellulose. Chemical formula ratio: $(CH_2O)_n$
  • 🧪 Lipids: Include fats, oils, and waxes. Important for energy storage, insulation, and cell membrane structure. Not polymers in the strict sense. Examples: Triglycerides, phospholipids, steroids.
  • 🧱 Proteins: Perform a wide variety of functions, including enzymes, structural components, and transport molecules. Monomer: Amino acids. Examples: Enzymes, antibodies, collagen.
  • 📝 Nucleic Acids: Store and transmit genetic information. Monomer: Nucleotides. Examples: DNA, RNA. Composed of a sugar, a phosphate group, and a nitrogenous base.
  • 💡 Dehydration Synthesis: Monomers are joined by removing a water molecule ($H_2O$).
  • 💧 Hydrolysis: Polymers are broken down by the addition of a water molecule ($H_2O$).
  • 🔢 Key Elements: Primarily composed of Carbon, Hydrogen, Oxygen, Nitrogen, Phosphorus (CHONP).

🧪 Practice Quiz

  1. Which of the following is a primary function of carbohydrates?
    1. Energy storage
    2. Genetic information storage
    3. Enzyme catalysis
    4. Structural support in cell membranes
  2. What type of bond is formed during dehydration synthesis between two amino acids?
    1. Hydrogen bond
    2. Ionic bond
    3. Peptide bond
    4. Glycosidic bond
  3. Which macromolecule is the main component of cell membranes?
    1. Carbohydrates
    2. Lipids
    3. Proteins
    4. Nucleic acids
  4. Which of the following monomers makes up proteins?
    1. Monosaccharides
    2. Fatty acids
    3. Amino acids
    4. Nucleotides
  5. DNA and RNA are examples of which type of macromolecule?
    1. Carbohydrates
    2. Lipids
    3. Proteins
    4. Nucleic acids
  6. What is the process called when a polymer is broken down into monomers by adding water?
    1. Dehydration synthesis
    2. Hydrolysis
    3. Polymerization
    4. Condensation
  7. Which of the following is an example of a polysaccharide?
    1. Glucose
    2. Fructose
    3. Starch
    4. Glycerol
Click to see Answers
  1. A
  2. C
  3. B
  4. C
  5. D
  6. B
  7. C

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