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5 Written Questions

5 Matching Questions

  1. The purine___ always binds with the pyrimidine__ in DNA and RNA.
    A. guanine, cytosine
    B. cytosine, guanine
    C. adenine, guanine
    D. thymine, guanine
  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
  3. Most biochemical macromolecules are polymers, which are
    A. Chains of hydrophobic molecules
    B. Chains of electrolytic molecules
    C. Chains of repeating monomers
    D. Chains of repeating carbohydrates
    E. Chains of hydrogen bonds
  4. What part of a phospholipid forms hydrophobic tails?
    A. Fatty acids
    B. Glycerol
    C. Phosphate
    D. Alcohol
    E. All of the choices are correct
  5. The lipid group that serves as energy storage molecules are
    A. Prostaglandins
    B. Waxes
    C. Phospholipids
    D. Steroids
    E. Triglycerides
  1. a D. Saturated
  2. b A. Fatty acids
  3. c C. Chains of repeating monomers
  4. d E. Triglycerides
  5. e A. guanine, cytosine

5 Multiple Choice Questions

  1. D. Polysaccharides
  2. C. Has more H+ ions
  3. E. Prostaglandins in inflammation
  4. C. Peptide
  5. B. Starch

5 True/False Questions

  1. Starch is the primary storage food for all of the following except
    A. Green plants
    B. Algae
    C. Animals
    D. Some fungi
    E. All of these store food as starch
    E. A nitrogen base

          

  2. 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
    C. 84 g

          

  3. The lipid group that is the major component of cell membranes are the
    A. Prostaglandins
    B. Waxes
    C. Phospholipids
    D. Steroids
    E. Triglycerides
    E. Triglycerides

          

  4. 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

          

  5. 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
    D. Polysaccharides

          

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