Chapter 4
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jlmclamore Plus on April 29, 2012
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Functional Anatomy of Prokaryotic and Eukaryotic Cells
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44 terms
Terms | Definitions |
|---|---|
 Which of the following is NOT a distinguishing characteristic of prokaryotic cell? | They lack a plasma membrane |
| Which of the following statements about a gram-positive cell wall is false? | It protects the cell in a hypertonic environment |
| Which of the following statements best describes what happens when a bacterial cell is placed in a solution containing 5% NaCL? | Water will move out of the cell |
| The best definition of osmotic pressure is | The force with which a solvent moves across a semipermeable membrane from a higher to a lower concentration |
| By which of the following mechanisms can a cell transport a substance from a lower to a higher concentration? | Active transport |
| Which of the following is NOT a characteristic of the plasma membrane? | Maintains cell shape |
| Which of the following have a cell wall? | Fungi |
| Which of the following statements is true? A. Endospores are for reproduction? B. Endospores allow a cell to survive environmental changes C. Endospores are easily stained in a Gram stain D. A cell produces one endospore and keeps growing E. A cell can produce many endospores | Endospores allow a cell to survive environmental changes |
| Which of the following pairs is mismatched? A. Endoplasmic reticulum/internal transport B. Gogli complex/secretion C. Mitochondria/ATP production D. Centrosome/food storage E. Lysosome/digestive enzymes | Centrosome/food storage |
| lll | lll |
| Which drawing in Figure 4.1 is a tetrad? | OO OO |
| Which drawing in Figure 4.1 posseses an axial filament? | ~~~~~~~~~~ |
| Which drawing in Figure 4.1 is streptococci? | OOOOOOOOOO |
| Which drawing in Figure 4.1 is a bacillus? | (____) |
| Which of the following statements about prokaryotic cells is generally false? | They possess 80S ribosomes |
| Which of the following statements about gram-negative cells walls is false? | They are sensitive to penicillin |
| Which of the following structures is NOT found in prokaryotic cells? | Cilium |
| Which of the following statements about the glycocalyx is false? | It protects from osmotic lysis |
| Which of the following is NOT a chemical component of a bacterial cell wall? | Cellulose |
| Which of the following is NOT part of the active transport process | Cell wall |
| Which of the following terms best describes the cell in Figure 4.2? | Lophotrichous |
| In bacteria, photosynthetic pigments are found in | Chromatophores |
| The difference between simple diffusion and facilitated diffusion is that facilitated diffusion | Requires transporter proteins |
| Which of the following is NOT a possible function of magnetosomes? | Get cells to the North Pole |
| You have isolated a motile, gram-positive cell with no visible nucleus. You can safely assume that the cell | Has a cell wall |
| lll | lll |
| In Figure 4.3, which diagram of a cell wall is a gram-negative cell wall? | B (smaller) gram-negative |
| In Figure 4.3, which diagram of a cell wall is a toxic cell wall? | B (smaller) gram-negative |
| In Figure 4.3, which diagram of a cell wall has a wall that protects against osmotic lysis? | Both |
| In Figure 4.3, which diagram of a cell wall is decolorized by acetone-alcohol | B (smaller) gram-negative |
| In Figure 4.3, which diagram of a cell wall is resistant to many antibiotics (e.g., penicillin)? | B (smaller) gram-negative |
| In Figure 4.3, which diagram of a cell wall contains teichoic acids? | A (larger) gram-positive |
| In Figure 4.3, which diagram of a cell wall contains porins? | B (smaller) gram-negative |
| Where are phospholipids most likely found in a prokaryotic cell? | Plasma membrane |
| Where are phospholipids most likely found in a Eukaryotic cell? | Both Around organelles Plasma membrane |
| lll | lll |
| Figure 4.4 shows movement across a plasma membrane. Which figure best represents a specific transporter protein? | O with o through the center partially closed |
| Figure 4.4 shows movement across a plasma membrane. Which figure best represents simple diffusion? | Substance passes through membrane without the aid of a protein |
| Figure 4.4 shows movement across a plasma membrane. Which figure best represents an aquaporin? | Water channel only (no diffusion) |
| What will happen if a bacterial cell is placed in a distilled water with lysozyme? | The cell will undergo osmotic lysis |
| What will happen if a bacterial cell is placed in 10% NaCL with penicillin? | The cell will plasmolyze |
| Which one of the following pairs is mismatched? A. Metachromatic granules/phosphate storage B. Lipid inclusions/energy reserve C. Ribosomes/protein storage D. Sulfur granules/energy reserve E. Gas vacuoles/flotation | Ribosomes/protein storage |
| Which of the following are NOT energy reserves? | Carboxysomes |
| Which of the following pairs is NOT a functionally analogous pair? | Cilia/pili |
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