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Transcript
Marine Biology Cell Assessment 1) Cyanide is a poison that prevents mitochondria from using oxygen. As a result, the mitochondria cannot produce A. B. C. D. lipids sugar minerals energy 2) Use the information and the figure below to answer the following. The diagram below shows a colony of prokaryotes and a single-celled eukaryote. The eukaryote contains organelles that resemble the three types of bacteria found in the colony of prokaryotes. More than a billion years ago, bacteria like these may have joined other prokaryotes to form colonies of cells. Researchers think that these once free-living prokaryotes became the organelles of modern-day eukaryotes. In the eukaryote, which of these organelles are used to make sugars? A. B. C. D. flagella ribosomes mitochondria chloroplasts 3. A group of students studied the effect of light intensity on the rate of a cell process in Elodea plants. The students exposed Elodea plants to different light intensities. A gas was produced by the cell process. The amount of this gas was measured. The rate of the cell process was determined by the amount of gas produced. A graph of the students' measurements is shown below. Which of these parts of the Elodea plant cell produces the gas measured in the experiment? A. B. C. D. mitochondrion chloroplast ribosome nucleus Use the information and the diagrams below to answer the following. A student observed different types of cells under a microscope. Four of the cells he observed are shown below. 4. Cell 2 and 3 both have an organized structure that contains all of the genetic information and directions for the cell. This organelle is known as the A. B. C. D. cilia flagella vacuoles nucleus 5. Which of these structures in Cell 3 releases energy for use in cell processes? A. B. C. D. nucleus cell wall chloroplast mitochondrion ESSAY: All organisms must be able to exchange chemical substances between their cells and their environment. Some organisms are unicellular and others are multicellular. These organisms have different strategies to obtain and use these chemical substances. What chemical substances must be exchanged between each organism and its environment? Describe the processes that cause these chemical substances to move into and out of cells. Describe the role of the cell membrane in the exchange of materials in both types of organism. Describe the role of body systems in the exchange of materials in a multicellular organism.