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44 terms

Chapter 4

Functional Anatomy of Prokaryotic and Eukaryotic Cells
STUDY
PLAY
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