HUMAN BIOLOGY Test Questions

  1. Which of the following levels of organization is the largest?

    D. organ system
  2. Which term refers to a direction towards the body midline?

    C. medial
  3. Which term refers to a direction away from the attachment site of a limb?

    A. distal
  4. Which term refers to the back of a body or structure?

    C. posterior
  5. Which regional term refers to the posterior aspect of the head?

    D. occipital
  6. Which regional term refers to the upper part of the arm?

    A. brachial
  7. Which regional term refers to the wrist?

    B. carpal
  8. Which is contained in the nucleus of an atom?

    D. both a and c
  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?

    B. electrons
  11. In which type of bond do atoms share a pair of electrons?

    A. covalent
  12. How many covalent bonds can carbon form?

    A. 4
  13. An acid releases an ion of

    D. hydrogen
  14. A DNA molecule is composed of

    B. phosphate-sugar backbones
  15. Adenine on one strand on a DNA molecule will attach to what base on the opposite DNA strand?

    D. thymine
  16. Which base will an RNA molecule have but not a DNA molecule?

    C. uracil
  17. What molecule attaches to both the phosphate group and the fatty acids in a phospholipid?

    B. glycerol
  18. ATP serves as

    A. a unit of chemical energy
  19. A chemical group that removes hydrogen ions from a water solution is referred to as a(n)

    A. base
  20. An amino acid has which as part of its structure?

    A. an amino group
  21. Which term refers to a group of cells acting together to perform a certain function?

    A. tissue
  22. Homeostasis refers to

    A. a stable set of conditions
  23. The smallest chemical unit in the body is a(n)

    D. atom
  24. Which atom forms the backbone of organic molecules?

    B. carbon
  25. Carbohydrates include

    B. sugars
  26. Lipids include

    B. fats
  27. Proteins include

    D. enzymes
  28. RNA is composed of how many strands?

    D. 1
  29. Which value on the pH scale has the highest acid concentration?

    B. 2
  30. What does an unsaturated fatty acid have in it that a saturated fat does not?

    A. a double bond between carbons
  31. Which is healthier in the diet?

    C. cis fatty acids
  32. A disaccharide has

    D. two sugars
  33. An example of a polysaccharide is

    B. starch
  34. Proteins are composed of

    B. amino acids
  35. Enzymes

    A. speed up chemical reactions
Card Set
HUMAN BIOLOGY Test Questions