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  1. Question 1

    0.4 Points____ are loosely associated with the phospholipid bilayer, whereas ____ are tightly bound to it.


  2. Question 2

    0.4 Points____ contain identical DNA sequences and are held together by ____ during mitosis.


  3. Question 3

    0.4 Points____ organized on chromosomes carry the information that controls the functions of the cell.


  4. Question 4

    0.4 PointsA bacterial chromosome consists of a:


  5. Question 5

    0.4 PointsA basal body anchors what part of a cell?


  6. Question 6

    0.4 PointsA cell is dividing by binary fission. What can you conclude?


  7. Question 7

    0.4 PointsA glycoprotein destined for secretion from the cell would move through the Golgi complex which sequence?


  8. Question 8

    0.4 PointsA patient who has had a severe hemorrhage accidentally receives a large transfusion of distilled water directly into a major blood vessel. What effect will this have on the patient?


  9. Question 9

    0.4 PointsA person has a genetic disease that prevents the phospholipids in the plasma membrane of the white blood cells from freely fusing with the other membranes within the cell. How would this disease affect phagocytosis?


  10. Question 10

    0.4 PointsA receptor on the cell surface usually has several domains. What is the function of the external domain?


  11. Question 11

    0.4 PointsA single cell in a smoker’s lung has become cancerous. It doubles its DNA and divides much faster than a normal lung cell. The most likely change that would have caused this condition took place in the:


  12. Question 12

    0.4 PointsA transmembrane protein differs from other membrane proteins because it:


  13. Question 13

    0.4 PointsA wilted flower placed in a vase of water for several hours became stiff and stood erect. When it was placed in a salt solution, it wilted. From this information, we can say that the cells of the flower are:


  14. Question 14

    0.4 PointsAdenylyl cyclase catalyzes the reaction in which:


  15. Question 15

    0.4 PointsAlthough glucose molecules constantly diffuse into a red blood cell along their concentration gradient, equilibrium is never reached and a steep concentration gradient is continually maintained. What causes this?


  16. Question 16

    0.4 PointsAn animal with a diploid number of 36 chromosomes will have ____ chromosomes in its gametes and ____ chromosomes in its somatic cells.


  17. Question 17

    0.4 PointsAs a result of testing an experimental drip on a vertebrate cell, you notice that the cell cortex becomes more fluid, and although the cell remains strong, it loses its ability to move. Based on this evidence, you correctly conclude that the drug most directly affected:


  18. Question 18

    0.4 PointsBarbiturates and benzodiazepine drugs bind to GABA receptors to open chloride channels, inhibit neural impulse, and induce tranquility.__________________


  19. Question 19

    0.4 PointsFigure 4-1


    Based on your knowledge of basic geometric relationships, what is the actual surface area to volume ratio for Figure B in the accompanying figure?


  20. Question 20

    0.4 PointsChoanoflagellates have been important for the study of cell communication evolution because choanoflagellates have:


  21. Question 21

    0.4 PointsChromosomes are duplicated during the ____ of the cell cycle.


  22. Question 22

    0.4 PointsCytokinesis in animal cells involves contraction of a ring of ____ microfilaments.


  23. Question 23

    0.4 PointsCytokinesis in plant cells occurs via the formation of a(n):


  24. Question 24

    0.4 PointsDNA is associated with RNA and certain proteins, forming a complex called:


  25. Question 25

    0.4 PointsDNA must transcribe its information into what type of molecule before leaving the nucleus and entering the cytoplasm?


  26. Question 26

    0.4 PointsDuring an infection, white blood cells travel to the infected site and phagocytize the pathogens. After phagocytosis, primary lysosomes fuse with the phagocytic vesicle to form a larger vesicle called a secondary lysosome. The purpose for this process is to:


  27. Question 27

    0.4 PointsDuring enzyme-linked reception, signal molecules bind to two tyrosine kinase receptors. The receptor proteins move closer together in the plasma membrane and pair, forming a(n) ____.


  28. Question 28

    0.4 PointsDuring phagocytosis, what may fuse with the vacuole to further degrade the ingested material?


  29. Question 29

    0.4 PointsDuring which stage of meiosis do the sister chromatids separate?


  30. Question 30

    0.4 PointsEukaryotic chromosomes are composed of:


  31. Question 31

    0.4 PointsEukaryotic chromosomes consist of:


  32. Question 32

    0.4 PointsEvidence that all living cells have a common origin is best illustrated by the:


  33. Question 33

    0.4 PointsHomologous chromosomes can be identified and/or characterized by:


  34. Question 34

    0.4 PointsHomologous chromosomes undergo synapsis during:


  35. Question 35

    0.4 PointsHow are hormones produced by endocrine glands typically transported to target cells?


  36. Question 36

    0.4 PointsHow are integral proteins unique in cell membranes?


  37. Question 37

    0.4 PointsHow do gap junctions differ from desmosomes?


  38. Question 38

    0.4 PointsHow do the phospholipids in vegetable oil differ from those of animal fat?


  39. Question 39

    0.4 PointsIf the concentration of solutes in a cell is less than the concentration of solutes in the surrounding fluid, then the extracellular fluid is said to be:


  40. Question 40

    0.4 PointsIn cells that are constantly involved in secretion, an equivalent amount of membrane must be returned to the interior of the cell for each vesicle that fuses with the plasma membrane; if this does not occur, then what would happen?