Biology Exam I: A Quiz On Cells And The Important Macromolecules

62 Questions | Total Attempts: 3119

SettingsSettingsSettings
Please wait...
Biology Exam I: A Quiz On Cells And The Important Macromolecules

Hello, and welcome to Biology Exam I, where we will be taking a close look at one of the most important topics within the scientific study; cells! How much can you tell us about cells, as well as the essential macromolecules? Take the quiz, and we’ll all find out together!


Questions and Answers
  • 1. 
    Biology is the study of...
    • A. 

      Research

    • B. 

      Living things

    • C. 

      Ecology and evolution

    • D. 

      None of the above

  • 2. 
    Enzymes...
    • A. 

      Compose much of th physical structure and framework of an organism

    • B. 

      Are proteins

    • C. 

      Are composed of repeating subunits of mono saccharides

    • D. 

      Form part of the most complex nucleic acids

  • 3. 
    Nucleic acids are composed of repeating units of
    • A. 

      Amino acids

    • B. 

      Carbon

    • C. 

      Nucleotides

    • D. 

      Fatty acids

  • 4. 
    The entire surface of the earth that contains living organisms is called the
    • A. 

      Biosphere

    • B. 

      Environment

    • C. 

      Atmosphere

    • D. 

      Universe

  • 5. 
    There are 20 different amino acids in living organisms. these amino acids form
    • A. 

      Nucleic acids

    • B. 

      Proteins

    • C. 

      Lipids

    • D. 

      Carbohydrates

  • 6. 
    The stucture of nearly all organic molecules and important macromolecules is based upon
    • A. 

      Amino acids

    • B. 

      Carbon

    • C. 

      Hydrogen bonds

    • D. 

      Water

  • 7. 
    Which substance would you expect to have a pH similar to that of human blood.
    • A. 

      The ocean

    • B. 

      Coffee

    • C. 

      A large lake

    • D. 

      Both a & c

  • 8. 
    The smallest unit that can carry out all activities we associate with life is
    • A. 

      Organelle

    • B. 

      Cell

    • C. 

      Tissue

    • D. 

      Organism

  • 9. 
    Which is true of all cells
    • A. 

      Go through carious developmental stages

    • B. 

      Respond to light

    • C. 

      Can move from one location to another

    • D. 

      Derived from previously existing cells

  • 10. 
    Many of the properties of water that are important in biology are due to _________ in individual water molecules and ________ among multiple water molecules
  • 11. 
    Which is true of a solution with a pH of 2.5
    • A. 

      Has a high concentration of OH molecules

    • B. 

      Has a low concentration of H+ molecules

    • C. 

      Has approximately equal number H+ and OH molecules

    • D. 

      Has a low concentration of H+ molecules

  • 12. 
    Which type of molecules would you expect to easily dissolve in water
    • A. 

      Charged molecules

    • B. 

      Non-polar molecules

    • C. 

      Polar molecules

    • D. 

      Both a & c

  • 13. 
    The basis for the occurrence of evolution within organism is
    • A. 

      Death

    • B. 

      Genetics

    • C. 

      Repdators

    • D. 

      Cells

  • 14. 
    A 6-carbon simple sugar that forms long chaing of carbohydrates such as starch and cellulose is
    • A. 

      Sucrose

    • B. 

      Amino acids

    • C. 

      Disaccharides

    • D. 

      Glucose

  • 15. 
    Cholesterol and steroid hormones are among biologically important macromolecules grouped into
    • A. 

      Proteins

    • B. 

      Lipids

    • C. 

      Carbs

    • D. 

      Nucleic acids

  • 16. 
    Many of the thermal properties of water that are important fro life result from interaction of many water molecules at the level of
    • A. 

      Triple bonds

    • B. 

      Hydrogen bonds

    • C. 

      Freezing

    • D. 

      Polarity

  • 17. 
    A primary function of lipids in organisms is
    • A. 

      Component of a cell membrane

    • B. 

      Energy

    • C. 

      Hormones

    • D. 

      All of these

  • 18. 
    Which of the following is not a characteristic of living things
    • A. 

      Interaction

    • B. 

      Multicellular

    • C. 

      Energy transformation

    • D. 

      Reproduction

  • 19. 
    Which of these pairs is mismatched
    • A. 

      Monosaccharides-cellulose

    • B. 

      Disaccharides-glucose

    • C. 

      Polysaccharides-sucrose

    • D. 

      All of these are incorrectly matched

  • 20. 
    Which is found in a typical P cell
    • A. 

      Ribosomes

    • B. 

      Nucleous

    • C. 

      Dna

    • D. 

      Both c & d

  • 21. 
    An organelle associated with packaging proteins and export from the cell
    • A. 

      Plastids

    • B. 

      Lysosomes

    • C. 

      Golgi body

    • D. 

      Ribosomes

  • 22. 
    The lipid bilayer of cell membranes has an arrangement where the hydrophobic ends of the phospholipids are
    • A. 

      On the inside of the bilayer

    • B. 

      Oriented to completely pass the bilayer

    • C. 

      Very rigidly anchored in place

    • D. 

      On the outside of the bilayer

  • 23. 
    Active transports of substances across a cell membrane differs from passive transport in that
    • A. 

      Active transport requires energy and passive transport does not

    • B. 

      Active transport moves molecules against their concentration gradient

    • C. 

      Passive transport usually involves small uncharged molecules

    • D. 

      All of these

  • 24. 
    The major structural component of a cell membrane in the part that gives the membrane many of the Perm. membrane is
    • A. 

      Cholesterol

    • B. 

      Glycolipids

    • C. 

      Phospholipids

    • D. 

      Proteins

  • 25. 
    The energy requiring movement of materials against a concentration gradient is
    • A. 

      Active transport

    • B. 

      Secondary active transport

    • C. 

      Facilitated diffusion

    • D. 

      Osmosis