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5 Written Questions

5 Matching Questions

  1. C6H12O6 + C6H12O6  C12 H22O11 + H2O, represents:
    A. Formation of a peptide bond
    B. A decomposition reaction
    C. Denaturation
    D. Formation of a polysaccharide
    E. Dehydration synthesis
  2. Which of the following functional groups is mismatched to the organic compound?
    A. Phosphate-carbohydrates
    B. Sulfhydryl-proteins
    C. Amino-proteins
    D. Hydroxyl-alcohols
    E. Carboxyl-fatty acids
  3. You are asked to make a 1M solution of Sodium Bicarbonate or Baking Soda (NaHCO3) for a DNA extraction lab. How many gram(s) of sodium bicarbonate (NaHCO3) should be added to 1L of water to make the required solution? Use the table of atomic masses to help you.
    A. 29 g
    B. 62 g
    C. 84 g
    D. 91.1 g
  4. ATP is best described as
    A. An enzyme
    B. A double helix
    C. An electron carrier
    D. The energy molecule of cells
    E. All of the choices are correct
  5. Characteristics of shared by all cells include:
    A. a membrane serving as a cell boundary
    B. the possession of genetic information
    C. the presence of cellular fluid
    D. All of these
  1. a A. Phosphate-carbohydrates
  2. b E. Dehydration synthesis
  3. c C. 84 g
  4. d D. All of these
  5. e D. The energy of molecule of cells

5 Multiple Choice Questions

  1. D. 100 times more acidic
  2. A. Carbon
  3. A. Fatty acids
  4. C. Chains of repeating monomers
  5. C. Peptide

5 True/False Questions

  1. Purines and pyrimidines are components in the building block units of all
    A. Nucleic acids
    B. Carbohydrates
    C. Polysaccharides
    D. Amino acids
    E. Enzymes
    C. Phospholipids


  2. A fat is called _____ if all carbons of the fatty acid chain are single bonded to 2 other carbons and 2 hydrogens.
    A. Unsaturated
    B. Polyunsaturated
    C. Monounsaturated
    D. Saturated
    E. None of the choices are correct
    A. Carbon


  3. A student forgot to label a beaker containing a DNA solution and a beaker containing a glucose solution. If chemical analysis was performed to identify the contents of each beaker, which of the following would be found in the beaker of DNA but not in the beaker with glucose?
    A. Amino acids
    B. Hydrogen and oxygen atoms
    C. Nitrogen and phosphorus
    D. Fatty acids
    E. Carbon atoms
    C. Nitrogen and phosphorus


  4. The purine___ always binds with the pyrimidine__ in DNA and RNA.
    A. guanine, cytosine
    B. cytosine, guanine
    C. adenine, guanine
    D. thymine, guanine
    B. Adenine


  5. One nucleotide contains
    A. One phosphate
    B. One pentose sugar
    C. One nitrogen base
    D. All of the choices are correct
    E. None of the choices are correct
    D. All of the choices are correct


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