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Test

Bio 110 Final: Chapter 3

Usuario eliminado 10 preguntas Actualizado el 13 dic 2017

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Preguntas del test (10)

  1. 1Molecules that are found in living cells and contain the element ___________ are considered organic molecules.
    1. Ahydrogen
    2. Bcarbon
    3. Coxygen
    4. Dnitrogen
    5. Ecalcium
  2. 2The versatility of carbon to serve as the backbone for a variety of different molecules is due to
    1. Athe ability of carbon atoms to form four covalent bonds
    2. Bthe fact that carbon usually forms ionic bonds with many different atoms
    3. Cthe abundance of carbon in the environment
    4. Dthe ability of carbon to form covalent bonds with many different types of atoms
    5. Eboth a and d
  3. 3Which of the following type(s) of bonds are nonpolar?
    1. AC--C
    2. BC--O
    3. CC--H
    4. Dboth a and b
    5. Eboth a and c
  4. 4Which of the following molecules are isomers of each other?
    1. Aa and b
    2. Ba and c
    3. Cb and c
    4. Da, b, and c
    5. ENone of them are isomers of each other
  5. 5A polysaccharide that is commonly found in animals cells and stores energy is
    1. Aglucose
    2. Bsucrose
    3. Cglycogen
    4. Dstarch
    5. Ecellulose
  6. 6In contrast to other fatty acids, essential fatty acids
    1. Aare always saturated fats.
    2. Bcannot be synthesized by the organism and are necessary for survival.
    3. Ccan act as building blocks for large, more complex macromolecules.
    4. Dare the simplest form of lipids found in plant cells.
    5. Eare structural components of plasma membranes
  7. 7The structures of three molecules are shown below. Which of them is (are) amphipathic?
    1. Aa only
    2. Bb only
    3. Cc only
    4. Db and c
    5. Ea and c
  8. 8The monomers of proteins are ___________, and these are linked by polar covalent bonds commonly referred to as ______________.
    1. Anucleotides, peptide bonds
    2. Bamino acids, ester bonds
    3. Chydroxyl groups, ester bonds
    4. Damino acids, peptide bonds
    5. Emonosaccharides, glycosidic linkages
  9. 9A _______________ is a portion of protein with a particular structure and function.
    1. Apeptide bond
    2. Bdomain
    3. Cphospholipid
    4. Dwax
    5. Emonosaccharide
  10. 10A DNA molecule contains 30% G. What percentage of its bases are A?
    1. A30%
    2. B20%
    3. C15%
    4. D10%
    5. Enone of the above

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El usuario ha eliminado su información de asignaturas Test sobre Bio 110 Final: Chapter 3, creado por Usuario eliminado el 13/12/2017.
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Usuario eliminado
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Creado el 13 dic 2017 · actualizado el 13 dic 2017

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