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5 Written questions

5 Matching questions

  1. Organic chemicals always have a basic framework of the element _____ bonded to other atoms.
    A. Carbon
    B. Nitrogen
    C. Oxygen
    D. Hydrogen
    E. Phosphorous
  2. Which pertains to DNA but not to RNA?
    A. Contains ribose
    B. Contains adenine
    C. Contains thymine
    D. Contains uracil
    E. Contains nucleotides
  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
  4. 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
  5. What type of bonds are formed by dehydration synthesis between adjacent amino acids?
    A. Glycosilic
    B. Ester
    C. Peptide
    D. Disulfide
    E. Phosphate
  1. a A. Carbon
  2. b C. Animals
  3. c D. All of the choices are correct
  4. d C. Contains thymine
  5. e C. Peptide

5 Multiple choice questions

  1. E. Triglycerides
  2. E. Amino acids
  3. B. Starch
  4. C. Has more H+ ions
  5. A. guanine, cytosine

5 True/False questions

  1. What part of a phospholipid forms hydrophobic tails?
    A. Fatty acids
    B. Glycerol
    C. Phosphate
    D. Alcohol
    E. All of the choices are correct
    D. Polysaccharides

          

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

          

  3. An amino acid contains all of the following except
    A. An amino group
    B. A carboxyl group
    C. A variable R group
    D. An a carbon
    E. A nitrogen base
    C. Animals

          

  4. 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

          

  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
    D. Saturated

          

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