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5 Written questions

5 Matching 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
  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. The purine___ always binds with the pyrimidine__ in DNA and RNA.
    A. guanine, cytosine
    B. cytosine, guanine
    C. adenine, guanine
    D. thymine, guanine
  4. All of the following are polysaccharides except
    A. Dextran in some bacterial slime layers
    B. Agar used to make solid culture media
    C. A cell's glycocalyx
    D. Cellulose in certain cell walls
    E. Prostaglandins in inflammation
  5. 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
  1. a D. Saturated
  2. b E. Prostaglandins in inflammation
  3. c A. Phosphate-carbohydrates
  4. d A. Nucleic acids
  5. e A. guanine, cytosine

5 Multiple choice questions

  1. E. Have high-energy bonds between phosphates
  2. D. All of these
  3. B. Starch
  4. A. Fatty acids
  5. C. Has more H+ ions

5 True/False questions

  1. What type of bonds are formed by dehydration synthesis between adjacent amino acids?
    A. Glycosilic
    B. Ester
    C. Peptide
    D. Disulfide
    E. Phosphate
    D. 100 times more acidic


  2. A solution of pH 7 compared to a solution of pH 9
    A. 2 times more acidic
    B. 20 times more acidic
    C. 20 times more basic
    D. 100 times more acidic
    E. 100 times more basic
    D. 100 times more acidic


  3. 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
    C. Animals


  4. The lipid group that serves as energy storage molecules are
    A. Prostaglandins
    B. Waxes
    C. Phospholipids
    D. Steroids
    E. Triglycerides
    C. Phospholipids


  5. Which pertains to DNA but not to RNA?
    A. Contains ribose
    B. Contains adenine
    C. Contains thymine
    D. Contains uracil
    E. Contains nucleotides
    C. Contains thymine