Bio 1 - Chapter 2 Vocab Quiz

35 Questions | Total Attempts: 64

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Bio 1 - Chapter 2 Vocab Quiz

Questions and Answers
  • 1. 
    A(n) ___ is a macromolecule made of many smaller molecules bonded together.
    • A. 

      Polymer

    • B. 

      Monomer

    • C. 

      Amino acid

    • D. 

      Reactant

  • 2. 
    A(n) ___ is a molecular subunit of a polymer.
    • A. 

      Polysaccharide

    • B. 

      Monomer

    • C. 

      Amino acid

    • D. 

      Reactant

  • 3. 
    ___ are molecules composed of carbon, hydrogen, and oxygen, and they include sugars and starches.
    • A. 

      Carbohydrates

    • B. 

      Proteins

    • C. 

      Nucleic acids

    • D. 

      Lipids

  • 4. 
    ___ are non-polar macromolecules that include fats, oils, and cholesterol.
    • A. 

      Carbohydrates

    • B. 

      Proteins

    • C. 

      Nucleic acids

    • D. 

      Lipids

  • 5. 
    ___ are polymers that are made of amino acids.
    • A. 

      Carbohydrates

    • B. 

      Proteins

    • C. 

      Nucleic acids

    • D. 

      Lipids

  • 6. 
    ___ are polymers made of nucleic acids.
    • A. 

      Carbohydrates

    • B. 

      Proteins

    • C. 

      Nucleic acids

    • D. 

      Lipids

  • 7. 
    Molecules that contain carbon, hydrogen, oxygen, nitrogen, and sometimes sulfur, and are used to build proteins are called ___.
    • A. 

      Amino acids

    • B. 

      Fatty acids

    • C. 

      Monosaccharides

    • D. 

      Nucleotides

  • 8. 
    Chains of carbon and hydrogen atoms that form a monomer of lipids are called ___.
    • A. 

      Amino acids

    • B. 

      Fatty acids

    • C. 

      Monosaccharides

    • D. 

      Nucleotides

  • 9. 
    A(n) ___ changes substances into different substances by breaking and reforming chemical bonds.
    • A. 

      Chemical reaction

    • B. 

      Equilibrium

    • C. 

      Polymer

    • D. 

      Catalyst

  • 10. 
    The substance in a chemical reaction that is being changed is called a(n) ___.
    • A. 

      Reactant

    • B. 

      Product

    • C. 

      Catalyst

    • D. 

      Amino acid

  • 11. 
    The substance in a chemical reaction that is being produced is called a(n) ___.
    • A. 

      Product

    • B. 

      Reactant

    • C. 

      Catalyst

    • D. 

      Amino acid

  • 12. 
    ___ is the amount of energy that is needed to break a chemical bond.
    • A. 

      Bond energy

    • B. 

      Activation energy

    • C. 

      Exothermic energy

    • D. 

      Stored energy

  • 13. 
    ___ is the amount of energy that is needed to start a chemical reaction.
    • A. 

      Bond energy

    • B. 

      Activation energy

    • C. 

      Exothermic energy

    • D. 

      Stored energy

  • 14. 
    ___ is reached when both reactants and products are made at the same rate.
    • A. 

      Equilibrium

    • B. 

      Catalyst

    • C. 

      Reactant

    • D. 

      Product

  • 15. 
    A(n) ___ chemical reaction  releases more energy than it absorbs.
    • A. 

      Exothermic

    • B. 

      Endothermic

    • C. 

      Equilibrium

    • D. 

      Activated

  • 16. 
    A(n) ___ chemical reaction absorbs more energy than it releases  .
    • A. 

      Exothermic

    • B. 

      Endothermic

    • C. 

      Equilibrium

    • D. 

      Activated

  • 17. 
    A(n) ___ is a substance that decreases the activation energy needed to start a chemical reaction, thereby increasing the rate of the reaction.
    • A. 

      Catalyst

    • B. 

      Reactant

    • C. 

      Product

    • D. 

      Substrate

  • 18. 
    A(n) ___ is a specialized protein that acts as a catalyst for chemical reactions in living organisms.
    • A. 

      Enzyme

    • B. 

      Substrate

    • C. 

      Reactant

    • D. 

      Product

  • 19. 
    The specific reactants that an enzyme acts on are called ___.
    • A. 

      Products

    • B. 

      Substrates

    • C. 

      Monomers

    • D. 

      Polymers

  • 20. 
    An atom, radical or molecule that has gained or lost one or more electrons and has a negative or positive charge is called a(n) ___.
    • A. 

      Ion

    • B. 

      Element

    • C. 

      Atom

    • D. 

      Non-polar molecule

  • 21. 
    A(n) ___ is a pure substance made of only one kind of atom.
    • A. 

      Element

    • B. 

      Compound

    • C. 

      Atom

    • D. 

      Ion

  • 22. 
    A(n) ___ is a substance made up of the joined atoms of two or more different elements.
    • A. 

      Compound

    • B. 

      Element

    • C. 

      Ion

    • D. 

      Molecule

  • 23. 
    An attraction between substances of the same kind is referred to as ___.
    • A. 

      Cohesion

    • B. 

      Adhesion

    • C. 

      Ionic bonding

    • D. 

      Chemical friendship

  • 24. 
    An attraction between different substances is called ___.
    • A. 

      Cohesion

    • B. 

      Adhesion

    • C. 

      Chemical friendship

    • D. 

      Covalent bonding

  • 25. 
    A(n) ___ is the smallest unit of a substance that keeps all of the physical and chemical properties of that substance.It can consist of one element or two or more elements bonded together.
    • A. 

      Molecule

    • B. 

      Compound

    • C. 

      Ion

    • D. 

      Solution

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