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5 Written questions

5 Matching 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
  2. Organic chemicals always have a basic framework of the element _____ bonded to other atoms.
    A. Carbon
    B. Nitrogen
    C. Oxygen
    D. Hydrogen
    E. Phosphorous
  3. What type of bonds are formed by dehydration synthesis between adjacent amino acids?
    A. Glycosilic
    B. Ester
    C. Peptide
    D. Disulfide
    E. Phosphate
  4. 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
  5. Which is not true about enzymes?
    A. Found in all cells
    B. Are catalysts
    C. Participate in the cell's chemical reactions
    D. Can be denaturated by heat and other agents
    E. Have high-energy bonds between phosphates
  1. a C. Animals
  2. b A. Carbon
  3. c C. Peptide
  4. d C. Chains of repeating monomers
  5. e E. Have high-energy bonds between phosphates

5 Multiple choice questions

  1. B. Glycogen
  2. C. Nitrogen and phosphorus
  3. D. Saturated
  4. D. Polysaccharides
  5. A. Fatty acids

5 True/False questions

  1. 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

          

  2. 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
    E. Prostaglandins in inflammation

          

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

          

  4. The building blocks of an enzyme are
    A. Nucleotides
    B. Glycerol and fatty acids
    C. Monosaccharides
    D. Phosphate, glycerol, fatty acids
    E. Amino acids
    B. Glycogen

          

  5. 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
    D. The energy of molecule of cells