HUMAN BIOLOGY Test Questions

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jmarshall31906
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44019
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HUMAN BIOLOGY Test Questions
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2010-10-21 13:53:32
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HUMAN BIOLOGY
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HUMAN BIOLOGY 100
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  1. Which of the following levels of organization is the largest?
    A. tissue
    B. organ
    C. organ system
    D. cell
    C. organ system
    (this multiple choice question has been scrambled)
  2. Which term refers to a direction towards the body midline?
    A. lateral
    B. anterior
    C. medial
    D. dorsal
    C. medial
    (this multiple choice question has been scrambled)
  3. Which term refers to a direction away from the attachment site of a limb?
    A. posterior
    B. anterior
    C. proximal
    D. distal
    D. distal
    (this multiple choice question has been scrambled)
  4. Which term refers to the back of a body or structure?
    A. proximal
    B. distal
    C. anterior
    D. posterior
    D. posterior
    (this multiple choice question has been scrambled)
  5. Which regional term refers to the posterior aspect of the head?
    A. popliteal
    B. brachial
    C. cubital
    D. occipital
    D. occipital
    (this multiple choice question has been scrambled)
  6. Which regional term refers to the upper part of the arm?
    A. cubital
    B. occipital
    C. brachial
    D. popliteal
    C. brachial
    (this multiple choice question has been scrambled)
  7. Which regional term refers to the wrist?
    A. carpal
    B. axillary
    C. brachial
    D. sacral
    A. carpal
    (this multiple choice question has been scrambled)
  8. Which is contained in the nucleus of an atom?
    A. both a and c
    B. neutrons
    C. protons
    D. electrons
    A. both a and c
    (this multiple choice question has been scrambled)
  9. All atoms of the same element have to have the same number of
    a, neutrons
    b. protons
    c. electrons
    d. molecules
    b. protons
  10. Which particle in an atom is negatively charged?
    A. electrons
    B. protons
    C. both a and c
    D. neutrons
    A. electrons
    (this multiple choice question has been scrambled)
  11. In which type of bond do atoms share a pair of electrons?
    A. ionic
    B. covalent
    C. hydrogen
    D. radioactive
    B. covalent
    (this multiple choice question has been scrambled)
  12. How many covalent bonds can carbon form?
    A. 4
    B. 2
    C. 1
    D. 3
    A. 4
    (this multiple choice question has been scrambled)
  13. An acid releases an ion of
    A. hydrogen
    B. oxygen
    C. potassium
    D. nitrogen
    A. hydrogen
    (this multiple choice question has been scrambled)
  14. A DNA molecule is composed of
    A. alkenes
    B. fatty acids
    C. phosphate-sugar backbones
    D. amino acids
    C. phosphate-sugar backbones
    (this multiple choice question has been scrambled)
  15. Adenine on one strand on a DNA molecule will attach to what base on the opposite DNA strand?
    A. guanine
    B. uracil
    C. thymine
    D. cytosine
    C. thymine
    (this multiple choice question has been scrambled)
  16. Which base will an RNA molecule have but not a DNA molecule?
    A. guanine
    B. cytosine
    C. uracil
    D. thymine
    C. uracil
    (this multiple choice question has been scrambled)
  17. What molecule attaches to both the phosphate group and the fatty acids in a phospholipid?
    A. glycogen
    B. sugar-phosphate backbone
    C. glycerol
    D. amino acid
    C. glycerol
    (this multiple choice question has been scrambled)
  18. ATP serves as
    A. the genetic material of the cell
    B. a toxic byproduct of metabolism
    C. a catalyst
    D. a unit of chemical energy
    D. a unit of chemical energy
    (this multiple choice question has been scrambled)
  19. A chemical group that removes hydrogen ions from a water solution is referred to as a(n)
    A. acid
    B. catalyst
    C. base
    D. enzyme
    C. base
    (this multiple choice question has been scrambled)
  20. An amino acid has which as part of its structure?
    A. a phosphate group
    B. glycerol
    C. an amino group
    d. all of the above
    C. an amino group
    (this multiple choice question has been scrambled)
  21. Which term refers to a group of cells acting together to perform a certain function?
    A. tissue
    B. organism
    C. organ system
    D. atom
    A. tissue
    (this multiple choice question has been scrambled)
  22. Homeostasis refers to
    A. a stable set of conditions
    B. a living thing that does not move
    C. a disease state
    D. the ability to reproduce
    A. a stable set of conditions
    (this multiple choice question has been scrambled)
  23. The smallest chemical unit in the body is a(n)
    A. tissue
    B. organ system
    C. organism
    D. atom
    D. atom
    (this multiple choice question has been scrambled)
  24. Which atom forms the backbone of organic molecules?
    A. phosphate
    B. carbon
    C. oxygen
    D. nitrogen
    B. carbon
    (this multiple choice question has been scrambled)
  25. Carbohydrates include
    A. DNA
    B. fats
    C. enzymes
    D. sugars
    D. sugars
    (this multiple choice question has been scrambled)
  26. Lipids include
    A. enzymes
    B. DNA
    C. sugars
    D. fats
    D. fats
    (this multiple choice question has been scrambled)
  27. Proteins include
    A. fats
    B. DNA
    C. sugars
    D. enzymes
    D. enzymes
    (this multiple choice question has been scrambled)
  28. RNA is composed of how many strands?
    A. 2
    B. 4
    C. 1
    D. 3
    C. 1
    (this multiple choice question has been scrambled)
  29. Which value on the pH scale has the highest acid concentration?
    A. 6
    B. 4
    C. 8
    D. 2
    D. 2
    (this multiple choice question has been scrambled)
  30. What does an unsaturated fatty acid have in it that a saturated fat does not?
    A. an acid group
    B. hydrogen
    C. a double bond between carbons
    D. carbon
    C. a double bond between carbons
    (this multiple choice question has been scrambled)
  31. Which is healthier in the diet?
    A. trans fatty acids
    B. cis fatty acids
    C. both have the same health value
    B. cis fatty acids
    (this multiple choice question has been scrambled)
  32. A disaccharide has

    A. one sugar
    B. DNA
    C. two sugars
    D. two acid groups
    C. two sugars
    (this multiple choice question has been scrambled)
  33. An example of a polysaccharide is
    A. glucose
    B. starch
    C. maltose
    D. DNA
    B. starch
    (this multiple choice question has been scrambled)
  34. Proteins are composed of
    A. sugars
    B. amino acids
    C. phosphate-sugar backbones
    D. fatty acids
    B. amino acids
    (this multiple choice question has been scrambled)
  35. Enzymes
    A. give off hydrogen ions
    B. take up hydrogen ions out of solution
    C. speed up chemical reactions
    d. all of the above
    C. speed up chemical reactions
    (this multiple choice question has been scrambled)

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