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Unit 2 Practice Quiz

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Questions in this quiz (10)

  1. 1Compare the structure of carbohydrates and lipids.
    1. AThey both contain hydrogen-carbon bonds.
    2. BThe both contain the elements carbon, hydrogen, and oxygen.
    3. CThey're both constructed with long hydrocarbon chains.
    4. DThey're both used for structures in the body.
    5. EThey're both made of carbon rings.
  2. 2Which of the following is a list of monomers?
    1. Acarbohydrates, nucleic acids, proteins
    2. Bnucleotides, amino acids, monosaccharides
    3. Cglucose, amino acids, fatty acids
    4. Dlipids, proteins, amino acids
  3. 3Which of the following are biological processes?
    1. Amonomers, polymers
    2. Blipids, carbohydrates, H2O
    3. Cdehydration synthesis, protein synthesis, hydrolysis
    4. Dphotosynthesis, hydrolysis
  4. 4Which of the following are biological macromolecules?
    1. Acarbohydrates
    2. Blipids
    3. Cnucleic acids
    4. Dproteins
    5. Ewater
    6. Fsalt
  5. 5Which of the following elements are found in a protein?
    1. Acarbon
    2. Bhydrogen
    3. Coxygen
    4. Dnitrogen
    5. Ephosphorous
    6. Fsodium
  6. 6Why is water considered a polar molecule?
    1. Ait contains two hydrogen atoms
    2. Bboth ends carry a positive charge
    3. Cboth ends carry a negative charge
    4. Deach end has a different charge (positive and negative)
    5. Eit dissolves other polar molecules
  7. 7What is the maximum number of covalent bonds one carbon atom able to form?
    1. A1
    2. B2
    3. C4
    4. D8
  8. 8Which of the following describes the role of a phospholipid?
    1. APhospholipids store short term energy for the cell
    2. BPhospholipids catalyze (speed up) chemical reactions
    3. CPhospholipids form the cell's membrane
    4. DPhospholipids carry hereditary information
  9. 9Which of the following shows foods high in carbohydrates?
    1. Aeggs, meat, fish, beans
    2. Bfats, oils, waxes
    3. Cbread, rice, vegetables, and sugar
  10. 10Which of the following is liquid at room temperature?
    1. Asaturated fatty acids
    2. Bunsaturated fatty acids
    3. Cphospholipids

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This will help you prepare for the Unit 2: Chemistry of Life test.
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