Exam 1 BIO 1404

Last update by XXxO__OxXX on 12/15/2012
22084 People have viewed this Quiz
  • Share

The atomic number of neon is 10. Therefore, which of the following is most correct about an atom of neon?

a. It has 8 electrons in its outer electron shell
b. It is inert
c. It has 8 electrons in its outer electron shell and it is inert, and it has an atomic mass of 10 daltons
d. It has 8 electrons in its outer electron shell and it is inert
e. It has an atomic mass of 10 daltons

Answer:
D. It has 8 electrons in its outer shell and it is inert

View Exam 1 BIO 1404 as Flashcard Deck

Related Quiz Content
  • XXxO  OxXX
    Answered in Exam 1 BIO 1404
    Molybdenum has an atomic number of 42. Several common isotopes exist, with mass numbers of 92, 93, 94, 95, 96, 97, 98, and 100. Therefore, which of the following can be true?

    a. Molybdenum atoms can have between 50 and 58 neutrons
    b. The isotopes of molybdenum have between 50 and 58 neutrons
    c. The isotopes of molybdenum have different electron configurations
    d. The isotopes of molybdenum have between 50 and 58 neutrons and have different electron configurations.
    e. The isotopes of molybdenum can have between 50 and 58 protons
    A. Molybdenum atoms can have between 50 and 58 neutrons
  • XXxO  OxXX
    Answered in Exam 1 BIO 1404
    Two molecules differ at the double bond of a C atom, which of the following best describes this molecule?

    a. radioactive isotopes
    b. enantiomers
    c. structural isomers
    d. cis-trans isomers
    e. nonisotopic isomers
    d. cis-trans isomers
  • XXxO  OxXX
    Answered in Exam 1 BIO 1404
    Which molecules below would form a dimer linked by a covalent bond?

    a. Amine group
    b. sulfydral group
    c. carbonyl group
    d. phosphate group
    e. carboxyl group
    B. sulfhydral group
  • XXxO  OxXX
    Answered in Exam 1 BIO 1404
    How many electron pairs are shared between carbon atoms in a molecule that has the formula C2H4?

    a. 0
    b. 1
    c. 2
    d. 3
    e. 4
    C. 2
  • XXxO  OxXX
    Answered in Exam 1 BIO 1404
    Which of the following descriptions best fits the class of molecules known as nucleotides?

    a. a nitrogenous base and a pentose sugar
    b. a phosphate group and and adenine or uracil
    c. a nitrogenous base, a phosphate group, and a pentose sugar
    d. a pentose sugar and a purine or pyramidine
    e. a nitrogenous base and a phosphate group
    C. a nitrogenous base, a phosphate group and a pentose sugar
  • XXxO  OxXX
    Answered in Exam 1 BIO 1404
    Which of the following is a correct sequence of levels in life's hierarchy, proceeding downward from an individual animal?

    a. organ system, tissue, molecule, cell
    b. organ system, nervous tissue, brain
    c. nervous system, brain, nervous tissue, nerve cell
    d. organism, organ system, tissue, cell, organ
    e. brain, organ system, nerve cell, nervous tissue
    C. nervous system, brain, nervous tissue, nerve cell
  • XXxO  OxXX
    Answered in Exam 1 BIO 1404
    Which of the following is a false statement concerning amino groups?

    a. they are basic in pH
    b. they are components of of urea
    c. they are found in amino acids
    d. they contain nitrogen
    e. they are nonpolar
    E. they are nonpolar
  • XXxO  OxXX
    Answered in Exam 1 BIO 1404
    A carbon atom is most likely to form what kind of bonds with other atoms?

    a. ionic
    b. hydrogen
    c. covalent
    d. ionic bonds, covalent bonds, and hydrogen bonds
    e. covalent bonds and hydrogen bonds
    C. covalent
  • XXxO  OxXX
    Answered in Exam 1 BIO 1404
    Normal hemoglobin is a tetramer, consisting of two molecules of Beta hemoglobin and two molecules of alpha hemoglobin. In sickle-cell disease, as a result of a single amino acid change, the mutant hemoglobin tetramers associate with each other and assemble into large fibers. Based on this information alone, we can conclude that sickle-cell hemoglobin exhibits?

    a. altered quaternary structure
    b. altered primary structure
    c. altered primary structure and altered quaternary structure; the secondary and tertirary structures may or may not be altered
    C. altered primary structure and altered quaternary structure; the secondary and tertirary structures may or may not be altered
  • XXxO  OxXX
    Answered in Exam 1 BIO 1404
    Which of the following molecules contains the most polar covalent bond?

    a. H2
    b. CH4
    c. O2
    d. CO2
    e. H2O
    E. H2O