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HONORS CELLS AND TRANSPORT ASSESSMENT
1. How is the cell shown in Figure 3.1 different from a prokaryotic cell?
a. It has a nucleus.
b. It has DNA. c. It has cytoplasm. d. It has a cell membrane.
2. Which of the following is NOT a principle of the cell theory?
a.
b.
c.
d.
Cells are the basic units of life.
All living things are made of cells.
Very few cells reproduce.
All cells are produced by existing cells.
3. A cell has mitochondria, ribosomes, smooth and rough ER, and other parts.
Based on this information, it could NOT be ________.
a..
A cell from a pine tree
b.
A grasshopper cell
c.
A yeast (fungus) cell
d.
A bacteria
4. Which of the following is a function of the cell membrane?
a. breaks down lipids, carbohydrates, and proteins from foods
b. stores water, salt, proteins, and carbohydrates
c. keeps the cell wall in place
d. regulates which materials enter and leave the cell
5. The role of chloroplasts in plants cells are:
a. site for photosynthesis
c. site for protein production
b. needed for waste removal
d. stores water
6. The size of the vacuole in the plant cell compared to the size of a vacuole in an animal cell is
a. smaller
b. larger
c. the same size
d. none of the above
7. Which of the following structures serves as the cell’s boundary from its environment?
a. mitochondrion
b. cell membrane
c. chloroplast
d. channel proteins
8. Which organelle would you expect to find in plant cells but not animal cells?
a. mitochondrion
b. ribosome
c. chloroplast d. smooth endoplasmic reticulum
9. The main structural components of the cell membrane are:
a. lipids and cellulose b. proteins and lipids
c. water and carbohydrates d. ribosomes and lipids
10. The main function of the cell wall is to
a. support and protect the cell.
b. store DNA.
c. direct the activities of the cell.
d. help the cell move.
11. Which organelles help provide cells with energy?
a. mitochondria and chloroplasts
c. smooth endoplasmic reticulum
b. rough endoplasmic reticulum
d. Golgi apparatus and ribosomes
For questions 12-16 Use the answers below.
a. Prokaryotic
b. Eukaryotic
c. Both
d. None
12. contain DNA
13. bacteria
14. plant and animal cells
15. contain a nucleus and membrane-bound organelles
16. does not have a nucleus or membrane-bound organelles
Use the cell diagram below to answer questions 17 through 20.
17. What type of cell is represented in the picture above?
a. animal
b. plant
c. bacterial
d. fungal
18. The organelle that is in charge of transport throughout the cell is:
a. F
b. D
c. G
d. A
19. The jelly-like substance that contains dissolved molecular building blocks and
contains the organelles is:
a. A
b. B
c. C
d. D
20. The organelle that makes proteins for the cell is:
a. H
b. F
c. A
d. E
21. The movement of water from an area of greater concentration to one of lesser concentration is called:
a. pinocytosis
b. osmosis
c. cyclosis
d. diffusion
22. Sea water is approximately 3% salt. Sea water is hypertonic to the tissues of freshwater fish. Therefore
we can conclude that the tissues contain ____________% salt.
a. 3%
b. greater than 3%
c. less than 3%
d. none of these
23. A hypothetical “microbullet” shot through a phospholipid bilayer would pass the components in which
order?
a. tail—tail—head—head
c. head—tail—head—tail
b. tail—head—head—tail
d. head—tail—tail—head
The diagram below represents movement of a large molecule across a membrane.
24. Which process is best represented in this diagram?
a. active transport b. diffusion c. protein building d. gene manipulation
25. Red blood cells contain 0.9% salt. Which of the following solutions would be hypotonic to the blood?
a. 9%
b. . 0.9%
c. 0.09%
d. 1.9%
26. When a cell concentrates materials inside or outside its cell membrane, it is using energy in
a. active transport b. differentiation. c.diffusion.
d. random molecular motion.
27. When the membrane pinches forming a vesicle to allow solute molecules in, this is the process of:
a. respiration
b. pinocytosis
c. exocytosis
d. phagocytosis
28. What is the part of all cells whose function is to maintain homeostasis relative to the cell’s environment?
a. cell wall
b. nucleus
c. cell membrane
d.endoplasmic reticulum
29. Active transport is needed to move sugar molecules into the liver cells for storage because
a. concentration of sugar in the liver is less than in the blood.
b. sugar molecules are not normally found in the liver.
c. the concentration of sugar molecules in the liver is greater than in the blood.
d. sugar is highly toxic to the liver.
30. Diffusion is the movement of molecules from
a. an area of low concentration to an area of high concentration.
b. an area of high concentration to an area of low concentration.
c. an area of equilibrium to an area of high concentration.
d. all of the above
For questions 31-33 use the following options to label the cell membrane
A. protein channel
B. fatty acids tails
C. polar phosphate head
34. An animal cell that is surrounded by fresh water will burst because the osmotic pressure causes
a. water to move into the cell.
c. solutes to move into the cell.
b. water to move out of the cell.
d. solutes to move out of the cell.
35. A solution that is hypertonic to a cell has
a.
more solutes than the cell.
b.
fewer solutes than the cell.
c.
the same concentration of solutes as the cell.
d.
too many solutes.
36. A piece of celery is placed in a bowl of fresh water. Which of the following best describes what happens to
the cells of the celery?
a. They shrivel.
b. Water moves out of the cells by osmosis.
c. The water vacuoles fill with water and the cells plumps up.
d. Water moves out of the cells by active transport and then dynamic equilibrium is reached
37. In osmosis, water will always move toward the ________________ solution, which is the solution with the
__________________ solute concentration.
a. hypotonic, greater
b. hypertonic, lesser
c. hypertonic, greater
d. hypotonic, lesser
38. The fluid mosaic model describes the cell membrane as
a. a double layer of protein.
c. a double layer of lipids with proteins embedded within.
b. two layers of carbohydrates.
d. one layer of protein and one layer of lipids.
39. Substances dissolved in water are said to move down a concentration gradient when they move from
a. a region of lower concentration to a region of higher concentration.
b. a region of high water potential to a region of lower water potential.
c. an area of bulk flow to an area of diffusion.
d. a region of higher concentration to a region of lower concentration.
40. The diagram below represents a cell in water. There are 4 carbon dioxide (CO2) molecules in the cell, and
1 carbon dioxide (CO2) outside the cell. There are 2 oxygen molecules (O2 ) in the cell and 5 outside the cell.
The molecules can move freely across the cell membrane.
Based on how the molecules are spread out, what would most likely happen after a period of time?
a. The concentration of O2 will increase inside the cell.
b. The concentration of CO2 will remain the same inside the cell
c. The concentration of O2, will remain the same outside the cell.
d. The concentration of CO2 will decrease outside the cell.
41. A student put together the experimental setup up shown below to demonstrate the process of
diffusion. The selectively permeable membrane is permeable to both types of solute molecules
shown, meaning they can move through the membrane.
Molecule C is Salt and Molecule D is Sugar.
Based on the above diagram, the salt molecules (C) will diffuse:
a. to side A
b. to side B c. the molecules will not move d. dissolve in the membrane
Use the diagram below to answer questions 42-46.
Write the letter of the diagrams to which each statement is true. If all the diagrams apply, write the letter D.
If none of the diagrams apply, write E.
= cell
A
42. The cells will shrink.
= solute
B
43.. Exchange of water molecules will occur.
44. The movement of water molecules requires the cell to expend energy.
45. Equilibrium will be established immediately.
46. The cells will swell.
C
Use the graph below to answer questions 47-50.
The graph below shows typical concentrations of several ions inside and outside an animal cell.
Concentrations of ions inside the cell are shown in gray, outside in black.
47. Compared to its surroundings, does an animal cell contain a higher or lower concentration of potassium
(K+) ions?
a. higher
b. lower
c. the concentrations are equivalent
48. Which ions are in the greatest concentration outside the animal cell?
a. Na+
b. K+
c. ICO3d. Cl49. What is the approximate concentration, in mM, of Mg+2 ions inside the cell?
a. 3 mM
b. 5 mM
c. 35mM
d. 120 mM
50. If all available Na+ and Cl- ions combine to form NaCl, do any excess Na+ or Cl- ions remain?
a. There is excess Cl- on the inside of the cell only.
b. There is excess Cl- on the inside and outside of the cell.
c. There is excess Na+ on the outside of the cell only.
d. There is excess Na+ on the inside and outside of the cell.