Ch. 2 Chemical Basis of Life Metabolism and Molecules

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dezkwondo
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29241
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Ch. 2 Chemical Basis of Life Metabolism and Molecules
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2010-08-07 16:35:48
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Anatomy Physiology
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Metabolisma and Molecules
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  1. Catabolism
    A. Breaks down larger food molecules into smaller units
    B. All the chemical reactions that occur in body cells
    C. Joins simple molecules together to form more complex
    D. The form of energy that cells generally use
    ones
    E. Key reaction during anabolism
    A. Breaks down larger food molecules into smaller unit
    (this multiple choice question has been scrambled)
  2. Anabolism
    A. Breaks down larger food molecules into smaller units
    B. The form of energy that cells generally use
    C. All the chemical reactions that occur in body cells
    D. Joins simple molecules together to form more complex
    ones
    E. Key reaction during anabolism
    D. Joins simple molecules together to form more complex ones
    (this multiple choice question has been scrambled)
  3. ATP
    A. Joins simple molecules together to form more complex
    B. All the chemical reactions that occur in body cells
    C. Breaks down larger food molecules into smaller units
    D. The form of energy that cells generally use
    ones
    E. Key reaction during anabolism
    D. The form of energy that cells generally use
    (this multiple choice question has been scrambled)
  4. Metabolism
    A. Breaks down larger food molecules into smaller units
    B. The form of energy that cells generally use
    C. All the chemical reactions that occur in body cells
    D. Joins simple molecules together to form more complex
    ones
    E. Key reaction during anabolism
    C. All the chemical reactions that occur in body cells
    (this multiple choice question has been scrambled)
  5. Dehydration Synthesis
    A. Breaks down larger food molecules into smaller units
    B. The form of energy that cells generally use
    C. All the chemical reactions that occur in body cells
    D. Joins simple molecules together to form more complex
    ones
    E. Key reaction during anabolism
    E. Key reaction during anabolism
  6. Water plays a key role in such processes as:
    A. Cell permeability C. Secretion
    B. Active transport of materials D. All of the above
    D. All of the above
  7. Which of the following is NOT a property of water?
    A. Strong polarity C. High heat of vaporization
    B. High specific heat D. Strong acidity
    D. Strong acidity
  8. Acids:
    A. Dye litmus blue
    B. Accept electrons when in an aqueous solution
    C. Are proton receptors
    D. Release hydrogen ions when in an aqueous solution
    D. Release hydrogen ions when in an aqueous solution
    (this multiple choice question has been scrambled)
  9. Substances that accept hydrogen ions are referred to as:
    A. Acids C. Buffers
    B. Bases D. Salts
    B. Bases
  10. The constancy of the pH homeostatic mechanism is caused by the presence of substances
    called:
    A. Salts C. Buffers
    B. Bases D. Acids
    C. Buffers
  11. True or False
    The pH scale indicates the degree of acidity or alkalinity of a solution
    True
  12. True or False
    Milk is acid on the pH scale
    True
  13. True or False
    Litmus will turn red in the presences of an acid.
    True
  14. True or False
    The basic substance of each cell is water
    True
  15. True or False
    Oxygen and carbon dioxide are examples of organic compounds.
    False
  16. Which of the following in NOT a type of carbohydrate?
    A. Monosaccharides C. Megasaccharides
    B. Disaccharides D. Polysaccharides
    C. Megasaccharides
  17. Which of the following is INCORRECT in reference to carbohydrates?
    A. They represent a primary source of chemical energy for body cells
    B. They include substances referred to as sugars
    C. They serve critical structural roles in RNA and DNA
    D. They are replete with nitrogen atoms
    D. They are replete with nitrogen atoms
    (this multiple choice question has been scrambled)
  18. Proteins are composed of ______ commonly occurring amino acids.
    A. 8 C. 20
    B. 12 D. 24
    C. 20
  19. Amino acids frequently become joined by:
    A. Peptide bonds C. Degradation synthesis
    B. Phospholipid reactions D. None of the above
    A. Peptide bonds
  20. Which of the following is NOT an example of proteins?
    A. Hormones C. Urine
    B. Antibodies D. Enzymes
    C. Urine
  21. A structural lipid found in a cell membrane is:
    A. Triglyceride C. Steroid
    B. Phospholipids D. Prostaglandin
    B. Phospholipids
  22. Which of the following is the correct example of DNA base pairing?
    A. Adenine-Cytosine C. Adenine-Thymine
    B. Guanine- Adenine D. Guanine- Thymine
    C. Adenine-Thymine
  23. A DNA molecule contains each of the following EXCEPT:
    A. Sugar C. Phosphate
    B. Nitrogenous base D. Lipid
    D. Lipid
  24. DNA differs from RNA in that:
    A. There is no structural difference between DNA and RNA
    B. RNA contain a double polynucleotide strand
    C. RNA contains ribose instead of deoxyribose
    D. RNA contains thymine instead of uracil
    C. RNA contains ribose instead of deoxyribose
    (this multiple choice question has been scrambled)
  25. True or False
    Steroids are poorly distributed throughout the body.
    False
  26. True or False
    High-density lipoprotein (HDL) is also called the “good” cholesterol.
    True
  27. True or False
    Protein compounds have no role in defending the body against harmful agents.
    False
  28. True or False
    The nonessential amino acids can be produced from the other amino acids or from
    simple organic molecules.
    True
  29. True or False
    Enzymes are proteins that function by the “lock and key” model.
    True
  30. True or False
    Prostaglandins are “tissue hormones
    True
  31. Atoms of the same element but with different atomic weights
    (because their nuclei contain different numbers of neutrons).
    A. Octet rule
    B. Polymers
    C. Isotopes
    D. Electrolyte
    E. High-energy bonds
    F. Polarity
    G. Nucleotide
    H. Base pairs
    I. Atomic number
    C. Isotopes
    (this multiple choice question has been scrambled)
  32. Adenine-thymine and guanine-cytosine are examples of ___
    present in DNA.
    A. Polymers
    B. Isotopes
    C. Octet rule
    D. Nucleotide
    E. Electrolyte
    F. Base pairs
    G. Atomic number
    H. High-energy bonds
    I. Polarity
    F. Base pairs
    (this multiple choice question has been scrambled)
  33. Atoms with fewer than eight electrons in their valence shell will
    attempt to lose, gain, or share electrons with other atoms to achieve
    stability
    A. Nucleotide
    B. Polarity
    C. Atomic number
    D. Base pairs
    E. Isotopes
    F. Polymers
    G. High-energy bonds
    H. Octet rule
    I. Electrolyte
    H. Octet rule
    (this multiple choice question has been scrambled)
  34. The number of protons in an atom’s nucleus.
    A. Electrolyte
    B. High-energy bonds
    C. Polymers
    D. Polarity
    E. Nucleotide
    F. Octet rule
    G. Base pairs
    H. Isotopes
    I. Atomic number
    I. Atomic number
    (this multiple choice question has been scrambled)
  35. Any large molecule made up of many identical small molecules
    A. Polarity
    B. Nucleotide
    C. Electrolyte
    D. Atomic number
    E. Base pairs
    F. High-energy bonds
    G. Polymers
    H. Isotopes
    I. Octet rule
    G. Polymers
    (this multiple choice question has been scrambled)
  36. Components of DNA and RNA that are composed of sugar, a
    nitrogenous base, and a phosphate group.
    A. Nucleotide
    B. Octet rule
    C. High-energy bonds
    D. Electrolyte
    E. Polarity
    F. Base pairs
    G. Polymers
    H. Isotopes
    I. Atomic number
    A. Nucleotide
    (this multiple choice question has been scrambled)
  37. Chemical property that allows water to act as a effective solvent.
    A. Base pairs
    B. Polarity
    C. Octet rule
    D. Isotopes
    E. Polymers
    F. Electrolyte
    G. Atomic number
    H. High-energy bonds
    I. Nucleotide
    B. Polarity
    (this multiple choice question has been scrambled)
  38. Large group of inorganic compounds including acids, bases, and
    salts.
    A. Nucleotide
    B. Base pairs
    C. Octet rule
    D. Atomic number
    E. Polarity
    F. Polymers
    G. Isotopes
    H. High-energy bonds
    I. Electrolyte
    I. Electrolyte
    (this multiple choice question has been scrambled)
  39. Ribose
    A. Lipid
    B. Protein
    C. Carbohydrate
    C. Carbohydrate
    (this multiple choice question has been scrambled)
  40. Steroids
    A. Carbohydrate
    B. Lipid
    C. Protein
    B. Lipid
    (this multiple choice question has been scrambled)
  41. Amino Acid
    A. Carbohydrate
    B. Lipid
    C. Protein
    C. Protein
    (this multiple choice question has been scrambled)
  42. Glycerol
    A. Protein
    B. Lipid
    C. Carbohydrate
    B. Lipid
    (this multiple choice question has been scrambled)
  43. Monosaccharides
    A. Carbohydrate
    B. Lipid
    C. Protein
    A. Carbohydrate
    (this multiple choice question has been scrambled)
  44. Phospholipids
    A. Carbohydrate
    B. Protein
    C. Lipid
    C. Lipid
    (this multiple choice question has been scrambled)
  45. Enzymes
    A. Protein
    B. Lipid
    C. Carbohydrate
    A. Protein
    (this multiple choice question has been scrambled)
  46. Litmus turns blue
    A. Acid
    B. Base
    B. Base
  47. "Proton donor"
    A. Acid
    B. Base
    A. Acid
  48. Bitter Taste
    A. Acid
    B. Base
    B. Base
  49. "Proton acceptor"
    A. Acid
    B. Base
    B. Base
  50. Releases a hyrdrogen ion
    A. Acid
    B. Base
    A. Acid

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