bio 115 final exam

Last update by mayurcooled on 04/23/2014
5658 People have viewed this Quiz
  • Share

Based on your knowledge of the polarity of water
molecules, the solute molecule is most likely
a) negatively charged.
b) positively charged.
c) without charge.
d) hydrophobic.
e) nonpolar.

Answer:
b. positively charged

View bio 115 final exam as Flashcard Deck

Related Quiz Content
  • brig9580
    Answered in bio 115 final exam
    Which of the following is (are) true about the carbon atoms
    present in all organic molecules?
    a) They were incorporated into organic molecules by plants.
    b) They were processed into sugars through photosynthesis.
    c) They are ultimately derived from carbon dioxide.
    d) Only a and c are correct.
    e) a, b, and c are correct.
    e. a,b, and c are correct
  • brig9580
    Answered in bio 115 final exam
    Polymers of polysaccharides, fats, and proteins are all synthesized from monomers by which
    process?
    a) connecting monosaccharides together (condensation reactions)
    b) the addition of water to each monomer (hydrolysis)
    c) the removal of water (dehydration reactions)
    d) ionic bonding of the monomers
    e) the formation of disulfide bridges between monomers
    c. the removal of water (dehydration reactions)
  • brig9580
    Answered in bio 115 final exam
    The primary structure of a protein is
    a) an α helix or a pleated sheet.
    b) the amino acid sequence of the polypeptide chain.
    c) composed of two or more polypeptide chains.
    d) maintained by hydrogen bonds.
    e) irregular folding.
    b. the amino acid sequence of the polypeptide chain
  • brig9580
    Answered in bio 115 final exam
    Large organic molecules are usually assembled by polymerization of a few kinds of simple
    subunits. Which of the following is an exception to this statement?
    a) a steroid
    b) cellulose
    c) DNA
    d) an enzyme
    e) a contractile protein
    a. a steroid
  • brig9580
    Answered in bio 115 final exam
    The chemical reaction illustrated at right results in
    the formation of a (an)
    a) ionic bond.
    b) peptide bond.
    c) glycosidic linkage.
    d) ester linkage.
    e) phosphodiester linkage.
    b. peptide bond
  • brig9580
    Answered in bio 115 final exam
    If one strand of a DNA molecule has the sequence of bases 5'ATTGCA3', the other
    complementary strand would have the sequence
    a) 5'TAACGT3'.
    b) 3'TAACGT5'.
    c) 5'UAACGU3'.
    d) 3'UAACGU5'.
    e) 5'UGCAAU3'
    b. 3'TAACGT5'
  • brig9580
    Answered in bio 115 final exam
    Which of the following is not considered part of the endomembrane system?
    a) nuclear envelope
    b) chloroplast
    c) Golgi apparatus
    d) plasma membrane
    e) ER
    b. chloroplast
  • brig9580
    Answered in bio 115 final exam
    Which of the following structure-function pairs is mismatched?
    a) nucleolus-ribosome production
    b) lysosome-intracellular digestion
    c) ribosome-protein synthesis
    d) Golgi-protein trafficking
    e) microtubule-muscle contraction
    e. microtubule-muscle contraction
  • brig9580
    Answered in bio 115 final exam
    Which of these structures is unique to plant cells?
    a) mitochondrion
    b) peroxisome
    c) central vacuole
    d) nucleoid region
    e) flagellum
    c. central vacuole
  • brig9580
    Answered in bio 115 final exam
    Oxygen crosses a plasma membrane by
    a) osmosis
    b) active transport
    c) pinocytosis
    d) Passive transport
    e) phagocytosis
    d. passive transport
  • brig9580
    Answered in bio 115 final exam
    In a hypotonic solution an animal cell will
    a) lyse.
    b) have turgor.
    c) neither gain nor lose water
    d) shrivel.
    e) lose water.
    a. lyse