Week 3 Learning Activity

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William Rainey Harper College *

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BIO-130

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Biology

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Feb 20, 2024

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pdf

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Name: Week 3 Learning Activity 1. For each of the following, note if it is found in Prokaryotes (P), Eukaryotes (E), Neither (N), or Both (B) flagella proteins chlorophyll cilia plasmids mitochondria cell wall carbohydrates cytoplasm cell membrane nucleoid enzymes DNA cytoskeleton lipids _ ribosomes _ lysosome golgi body _ endoplasmic reticulum _ chloroplasts nucleus 2. Label the structures on the diagram below: 3. _____________________ is the transfer of DNA from a donor to a recipient cell as naked DNA in solution. 4. Transduction requires a ________________________ to move DNA from one bacterial cell to another. 5. The theory that states chloroplasts and mitochondria arose from prokaryotes that lived within other cells is the ___________________ theory.
6. For each of the following scenarios, explain the movement of water due to osmosis. The salt concentration inside the bacterium is approximately 0.9%. 7. Match the following terms with the correct function/description. ___ cell wall A. Attachment to surfaces ___endospore B. Cell wall formation ___ fimbriae C. Motility ___ flagella D. Protection from osmotic lysis ___ glycocalyx E. Protection from phagocytes ___ pili F. Resting (protection from harsh conditions) ___ plasma membrane G. Protein synthesis ___ ribosomes H. Selective permeability ___ peptidoglycan I. Transfer of genetic material
8. Match each term for bacterial cell arrangement with the correct illustration. A. ___diplococcus ___staphylococcus ___streptococcus ___streptobacillus ___tetrad B. C. D. E. 9. All cells have which one of the following? A. capsule B. cell membrane C. cell wall D. nucleus 10. The difference between simple diffusion and facilitated diffusion is that facilitated diffusion A. requires ATP. B. does not require ATP. C. moves materials from a higher to lower concentration. D. requires transporter proteins. 11. Mark the following statements as T (true) or F (false). ___All bacterial cells can form endospores. ___Endospores are a reproductive structure. ___Prokaryotic and Eukaryotic flagella have the same structure. ___Mitochondria contain their own DNA, but chloroplasts do not. ___Many enzymes in both prokaryotic and eukaryotic cells are compartmentalized within organelles. ___Prokaryotes have ribosomes.
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11. The following descriptions refer to the figure below: A. diagram A only ____gram-negative cell wall B. diagram B only ____has lipid A/endotoxin responsible for symptoms associated with infection C. both A and B ____has a structure that that protects against osmotic lysis D. neither A nor B ____decolorized by a brief exposure to alcohol ____resistant to many antibiotics such as penicillin ____contains teichoic acids ____found in prokaryotes ____found in eukaryotes ____contains porins 12. Which of the following statements are INCORRECT regarding prokaryotic cells? Select all that apply. A. Their DNA is not enclosed in a membrane. B. They do not have membrane- enclosed organelles. C. They typically have linear chromosomes. D. They reproduce by binary fission. E. They lack a plasma membrane. 13. By which of the following mechanisms can a cell transport a substance from a higher to a lower concentration? Select all that apply . A. simple diffusion B. active transport C. aquaporins D. facilitated diffusion E. osmosis

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