Name: Teacher: Ms. Petrakos. Lesson #21 - Cell Transport Diffusion Review

Transcription

1 Name: Teacher: Ms. Petrakos Lesson #21 - Cell Transport Diffusion Review Figure 1 Base your answer to the question on the diagram below and on your knowledge of biology. The diagram represents an experimental setup. 1. [Refer to figure 1] Which term correctly identifies the process by which molecules move through the dialysis tube membrane? a. paper chromatography b. active transport c. diffusion d. digestion

2 Figure 2 Base your answer to the question on the diagram below and on your knowledge of biology. The diagram represents two solutions, A and B, separated by a selectively permeable membrane. 2. [Refer to figure 2] Which statement best describes the outcome after 20 minutes? a. Solution A will contain approximately the same number of glucose molecules as solution B. b. Solution A will contain all of the water molecules. c. Solution B will remain unchanged. d. Solution B will lose all of the glucose molecules to solution A. 3. Which activity can occur without the use of energy? a. contraction of muscle tissue b. protein synthesis in a cell c. active transport of minerals d. movement of water across a membrane

3 4. The diagram below represents a specialized cell located in the root of a plant. The arrows in the diagram indicate the movement of molecules of oxygen and water into the cell. Which row in the chart below correctly identifies the process responsible for the movement of each type of molecule represented in the diagram? Row Water Oxygen a. diffusion active transport b. diffusion diffusion c. active transport diffusion d. active transport active transport 5. Which substance can enter a cell by diffusion without having to be digested? a. water b. protein c. starch d. fat 6. A substance is most likely to diffuse into a cell when a. it is a large organic food molecule such as protein or starch b. it is enclosed in an organelle such as a vacuole c. the concentration of the substance is greater outside the cell than inside d. the ph of the substance is greater than the ph of the cell

4 Figure 3 Base your answer to the question on the information below and on your knowledge of biology. A student prepared four different red blood cell suspensions, as shown in the chart below. 7. [Refer to figure 3] Which process is most likely involved in the change in red blood cell volume? a. active transport b. evaporation c. replication d. diffusion 8. [Refer to figure 3] Which suspension would contain red blood cells that would appear wrinkled and reduced in volume? a. A b. B c. C d. D

5 Figure 4 Base your answer to this question on the laboratory setup illustrated below and on your knowledge of biology. 9. [Refer to figure 4] This laboratory setup would most likely be used to demonstrate a. carbohydrate synthesis b. active transport c. diffusion d. dehydration

6 Figure 5 Base your answer to the question on the information and diagram below and on your knowledge of biology. Starch turns blue black in the presence of a starch indicator. Dialysis tubing tied at both ends and containing starch solution is placed in a beaker of water. Yellowish brown starch indicator is then added to the water. 10. [Refer to figure 5] This laboratory setup would most likely be used to demonstrate the process of a. diffusion b. active transport c. replication d. cellular respiration 11. In the Diffusion Through a Membrane lab, the model cell membranes allowed certain substances to pass through based on which characteristic of the diffusing substance? a. size b. shape c. color d. temperature

7 12. The diagram below shows the relative concentration of molecules inside and outside of a cell. Which statement best describes the general direction of diffusion across the membrane of this cell? a. Glucose would diffuse into the cell. b. Protein would diffuse out of the cell. c. Carbon dioxide would diffuse out of the cell. d. Oxygen would diffuse into the cell.

8 Figure 6 Base your answer to the question on the information and the diagram below and on your knowledge of biology. The diagram illustrates an investigation carried out in a laboratory activity on diffusion. The beaker and the artificial cell also contain water. 13. [Refer to figure 6] Which diagram below correctly shows what would happen over time regarding the location of molecules I, G, and S? a. b. c. d. 14. Molecule X moves across a cell membrane by diffusion. Which row in the chart below best indicates the relationship between the relative concentrations of molecule X and the use of ATP for diffusion? Row a. b. c. d. Movement of Molecule X high concentration low concentration high concentration low concentration low concentration high concentration low concentration high concentration Use of ATP used not used used not used

9 15. The diagram below represents a laboratory setup used by a student during an investigation of diffusion. Which statement best explains why the liquid in tube A will rise over a period of time? a. The starch concentrations are equal on both sides of the membrane. b. The water will pass from a region of lower starch concentration to one of higher starch concentration. c. Water and starch volumes are the same in both tubes A and B. d. The fluids in both tubes A and B will change from a higher temperature to a lower temperature. 16. Toxins can harm a developing fetus. They usually enter the fetus by the process of a. blood flow from the mother to the fetus b. active transport from the ovary c. diffusion across placental membranes d. recombination of genes from the fetus and mother 17. Cyanide is a poison that limits the ability of an animal cell to manufacture ATP. In a cell containing a small amount of cyanide, which process would be least affected? a. movement b. cell division c. active transport d. diffusion