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Name:_____________________ Date:_______ Block:_______ NB#:______ Cell practice problems EOC Prep: Multiple choice 1. Chloroplasts are important organelles because they A. are necessary to release stored energy B. store wastes in both plants and animals C. use energy from the sun to make food D. are in the nuclei of plant and animal cells 2. While viewing a slide of rapidly moving sperm cells, a student concludes that these cells require a large amount of energy to maintain their activity. The organelles that are most directly involved in releasing this energy are the A. vacuoles B. chloroplasts C. ribosomes D. mitochondria Analysis and Open Ended 3. Name three important cell organelles and describe the main function of each. ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ 4. What, specifically, would happen to a cell if its mitochondria were removed? Explain why. ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ Test prep: Open-ended questions 1. A newly discovered disease called BCITalitis causes an abnormally high pH in the lysosomes. Explain why this would prevent lysosomes from performing its function and how this could be harmful for the cell. Topic(s) the question involves:____________________________________________ ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ 2. Suppose a cell could not properly form all the macromolecules necessary to generate the cell membrane. Which macromolecules absence would affect the function of the cell membrane the most? Explain why this macromolecule is important for proper cell membrane function. Topic(s) the question involves:____________________________________________ ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ 3. Below are pictures of 2 cells. Suppose that these cells were in two different patients that had a disease affecting their endoplasmic reticulum. In order for the patients to survive, a liquid medicine must travel by diffusion from the outside of the cell to the inside of the cell to get to the endoplasmic reticulum quickly. Which cell type would be better for the patients to have in order to be cured? Why? Topic(s) the question involves:____________________________________________ ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ 4. Explain the endosymbiotic theory of the origin of eukaryotic cells and discuss an example of evidence supporting this theory. Topic(s) the question involves:____________________________________________ ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ 5. A scientist discovers a new plant species, Uncommunlias staris. While observing this plant’s cells under the microscope, the scientist notices that the cells from the roots look different compared to the cells from the leaves. The root cells had large vacuoles, long hair like projections and no chloroplasts. The leaf cells also have a vacuole, have no hair like projections have many chloroplasts. Why might the root cells differ from the leaf cells? Be specific in your response and be sure to talk about the functional role each cell type (root and leaf) might perform for the plant. Topic(s) the question involves:____________________________________________ ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ 6. In 2007, a radio station held a “Hold Your Wee for a Wii” contest where whoever can drink the most water without going to the bathroom wins a Nintendo Wii. One of the contestants died of water intoxication, only hours after participating in the contest. Based on what you know about osmosis and cell transport, explain why the women died. Be sure to use the following terms in your response: osmosis, hypotonic, hypertonic. Draw what the cells would look like under water intoxication with arrows showing where the water is moving Topic(s) the question involves:____________________________________________ ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________