Bio 2 Mid-term Exam Rebate (Fall 2014)

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Bio 2 Mid-term Exam Rebate (Fall 2014) - Quiz

Questions and Answers
  • 1. 
    Which of the following is a polymer of amino acids?
    • A. 

      Protein

    • B. 

      Carbohydrate

    • C. 

      Lipid

    • D. 

      Nucleic Acid

  • 2. 
    Which of the following is a structural form of carbohydrate?
    • A. 

      Cellulose

    • B. 

      Starch

    • C. 

      Enzyme

    • D. 

      RNA

  • 3. 
    The functional group -NH2 is called the ____.
    • A. 

      Amino group

    • B. 

      Acid group

    • C. 

      Hydroxide group

    • D. 

      Fatty acid

  • 4. 
    How many amino acids are found in humans?
    • A. 

      12

    • B. 

      16

    • C. 

      20

    • D. 

      24

  • 5. 
    What type of polymer is an enzyme?
    • A. 

      Protein

    • B. 

      Carbohydrate

    • C. 

      Lipid

    • D. 

      Nucleic Acid

  • 6. 
    This is a diagram of a monomer that is used to build ___.
    • A. 

      Carbohydrates

    • B. 

      Proteins

    • C. 

      Nucleic Acids

    • D. 

      Lipids

  • 7. 
    Which of the following is not one of the top elements in the body?
    • A. 

      Carbon

    • B. 

      Hydrogen

    • C. 

      Nitrogen

    • D. 

      Calcium

  • 8. 
    Which of the following is a "4%" element in the body?
    • A. 

      Carbon

    • B. 

      Calcium

    • C. 

      Iron

    • D. 

      Hydrogen

  • 9. 
    What is the main function of the Krebs cycle?
    • A. 

      Breaking down pyruvate molecules to form molecules of NADH and oxygen

    • B. 

      Forming citric acid to make NADH, water, and carbon dioxide

    • C. 

      Producing molecules that carry high-energy electrons to the electron transport chain

    • D. 

      Bonding coenzyme A to pyruvate

  • 10. 
    What is the function of oxygen in cellular respiration?
    • A. 

      To deliver hydrogen ions to the electron transport chain

    • B. 

      To pick up electrons at the end of the electron transport chain

    • C. 

      To provide oxygen for the production of carbon dioxide

    • D. 

      To give a source of energy to the Krebs cycle

  • 11. 
    Which phrase best describes the electron transport chain in photosynthesis?
    • A. 

      A chain of photosynthetic proteins located in the stroma

    • B. 

      A collection of enzymes used to make ADP

    • C. 

      A series of proteins located in the thylakoid membrane

    • D. 

      A group of enzymes that carries energy to the Calvin cycle

  • 12. 
    Oxygen is used during glycolysis.
    • A. 

      True

    • B. 

      False

  • 13. 
    In the light-independent reactions of photosynthesis,
    • A. 

      Carbon dioxide enters the Calvin cycle and sugars are made.

    • B. 

      Water is broken down and oxygen is released.

    • C. 

      NADPH is produced and transferred to photosystem I.

    • D. 

      Electrons are energized and used to pump H+ ions.

  • 14. 
    Where do the hydrogen ions for the photosystems of the light-dependent reactions come from?
    • A. 

      Sugars

    • B. 

      Sunlight

    • C. 

      Acids

    • D. 

      Water

  • 15. 
    The main light-absorbing molecules found in plant leaves are called
    • A. 

      Chloroplasts

    • B. 

      Thylakoids

    • C. 

      Chlorophyll

    • D. 

      Grana

  • 16. 
    Which of the following statements best describes the process of photosynthesis?
    • A. 

      Plants use oxygen to make simple sugars.

    • B. 

      Chlorophyll builds sugars in the thylakoid membrane.

    • C. 

      Light breaks down water molecules and releases carbon dioxide.

    • D. 

      Chloroplasts absorb sunlight and store chemical energy.

  • 17. 
    What are the products of photosynthesis?
    • A. 

      Carbon dioxide and water

    • B. 

      Glucose and oxygen

    • C. 

      Water and glucose

    • D. 

      Carbon dioxide and oxygen

  • 18. 
    The purpose of the light reactions is to___.
    • A. 

      Make ATP and NADPH for use in the Calvin cycle

    • B. 

      To make oxygen

    • C. 

      To split water

    • D. 

      To make glucose

  • 19. 
    What is the term for the jelly-like substance that is contained inside the cell membrane?
    • A. 

      Cytoplasm

    • B. 

      Nucleus

    • C. 

      Organelle

    • D. 

      DNA

  • 20. 
    Some cells live their entire lives without going through mitosis. These cells are said to be in ___.
    • A. 

      G zero

    • B. 

      Purgatory

    • C. 

      Flux

    • D. 

      Stem

  • 21. 
    Which of the following is a feature found only in animal cells?
    • A. 

      Central vacuole

    • B. 

      Mitochondria

    • C. 

      Nucleus

    • D. 

      Centriole

  • 22. 
    Where does glycolysis take place?
    • A. 

      Cytoplasm

    • B. 

      Mitochondrial matrix

    • C. 

      Mitochondrial inner membrane

    • D. 

      Chloroplast

  • 23. 
    Which phrase best describes the main role of fermentation?
    • A. 

      Converts glucose into pyruvate and NADH.

    • B. 

      Produces lactic acid to counteract an oxygen deficit.

    • C. 

      Allows glycolysis to continue making a small amount of ATP.

    • D. 

      Allowing anaerobic production of ADP.

  • 24. 
    Which phrase about fermentation is correct?
    • A. 

      Takes place without oxygen

    • B. 

      Uses electron transport chain

    • C. 

      Only occurs in bacteria

    • D. 

      Is an anaerobic process

  • 25. 
    Which end product of fermentation causes the burning feeling in muscles that are working hard?
    • A. 

      Carbon dioxide

    • B. 

      Pyruvate

    • C. 

      Alcohol

    • D. 

      Lactic acid

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