Bacterial Cell Structures Lab
BIOS242 OL, Week 6 Name: Lab 6: Bacterial Cell Structures: An Introduction to the Bacterial Cell Virtual Simulation Lab Learning Outcomes • Describe the general bacterial cell structure and function, including differentiating between the most common shapes of bacteria and cell arrangements. • Describe the general bacterial cytoplasmic content and compare it to eukaryotic cytoplasmic content. • Describe specific features of bacteria such as plasmids, flagella, or inclusion bodies and how they are necessary for bacteria to survive. Introduction: Global warming is causing the ice to melt in Antarctica, leading to the discovery of bacteria that have survived this extreme environment. In this simulation, you will learn about bacterial cell structures and how these are important for bacterial survival. Identify Bacteria in a Sample from Antarctica First you will collect a sample of melted ice from Antarctica that contains various bacteria. Your task is to investigate what is in the sample, and which bacterial cell structures are important for bacterial survival. Study and Assemble Bacterial Cell Structures In order to analyze your bacterial sample and to understand the bacterial cell’s internal and external structures, you will explore the motility features and shapes of bacteria in your sample. You will also compare the outer and inner bacterial cell structures to that of the Eukaryotic cell and assemble the cytoplasmic content of the bacterial and the Eukaryotic cell. Apply Your Knowledge Finally, you will compare your bacterial cell structures to other bacteria and learn which cellular structures are important for the bacteria to survive in extreme environments. Can you help the Arctic researchers decide which survival features they should study? 1 BIOS242 OL, Week 6 Name: Purpose: Describe in complete sentences and in your own words, the purpose of this simulation. Questions: 1. Describe the differences between dark field and bright field microscopy. 2. What are the major shapes of bacteria and their arrangements? 3. Define the functions of the cell wall and the cell membrane. 4. Describe the structure and function of plasmids. 5. Reflection: Write five sentences on what you learned from this simulation. 2 BIOS242 OL, Week 6 Name: Grading Rubric: Activity Deliverable Points Document Complete lab report and answer questions 15 Submission Total • Purpose (2 points) • Questions (8 points) • Reflection (5 points) Complete the entire lab worksheet 15 3
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