Question :
31. (p. 37) The phospholipids in the cell membrane composed : 1777294
31. (p. 37) The phospholipids in the cell membrane are composed of what?
A. Transport proteins
B. Hydrophilic tails
C. Hydrophobic heads
D. Hydrophobic chains and hydrophilic heads
32. (p. 37) The cell membrane contains all of the following except:
A. phospholipid.
B. secretory vesicle.
C. cholesterol.
D. channels.
33. (p. 38) Which of the following correctly describes passive transport?
A. Transport of materials across the cell membrane
B. Transport of materials across the cell membrane up the concentration gradient
C. Transport of materials across the cell membrane with the use of energy
D. Transport of materials across the cell membrane without the use of energy
34. (p. 38-41) Which statement correctly compares passive and active transport?
A. Passive transport move materials across the cell membrane without the use of energy while active transport move materials across the cell membrane against the concentration gradient with the use of energy.
B. Passive transport move materials across the cell membrane with the use of energy while active transport move materials across the cell membrane against the concentration gradient without the use of energy.
C. Passive transport move materials across the cell membrane with the use of energy while active transport move materials across the cell membrane against the concentration gradient with the use of energy.
D. Passive transport move materials across the cell membrane without the use of energy while active transport move materials across the cell membrane against the concentration gradient without the use of energy.
35. (p. 41) Which of the following types of transport require energy?
A. Filtration
B. Facilitated diffusion
C. Active
D. Osmosis
36. (p. 38-42) All of the following are types of passive transport except which one?
A. Filtration
B. Endocytosis
C. Osmosis
D. Simple diffusion
37. (p. 40) What is osmosis?
A. Diffusion across a semi-permeable membrane until concentrations are equal on either side of the membrane
B. Diffusion across a semi-permeable membrane against the concentration gradient
C. Diffusion across a semi-permeable membrane from areas of low concentration to high concentration
D. Diffusion across a semi-permeable membrane
38. (p. 41) Which statement incorrectly describes active transport?
A. Transport of materials from areas of low concentration to areas of high concentration
B. Movement of materials up the concentration gradient
C. Transport of materials across the cell membrane with the use of energy
D. Transport of materials from areas of high concentration to areas of low concentration
39. (p. 41) The sodium/potassium pump is an example of what type of transport?
A. Filtration
B. Facilitated diffusion
C. Active
D. Osmosis
40. (p. 41-42) Which statement correctly describes endocytosis?
A. The movement of materials in bulk out of the cell
B. The movement of materials in bulk into the cell
C. The passive movement of materials out of the cell
D. The movement of small molecules out of the cell
