They lack a plasma membrane.
Which of the following is NOT a distinguishing characteristic of prokaryotic cells
It protects the cell in a hypertonic environment.
Which of the following statements about a gram-positive cell wall is false
WATER WILL MOVE OUT OF THE CELL
Which of the following statements best describes what happens when a bacterial cell is placed in a solution containing 5% NaCl?
The force with which a solvent moves across a semipermeable membrane from a higher to a lower concentration
The best definition of osmotic pressure is
active transport
By which of the following mechanisms can a cell transport a substance from a lower to a higher concentration
maintains cell shape
Which of the following is NOT a characteristic of the plasma membrane
fungi
Which of the following have a cell wall
Endospores allow a cell to survive environmental changes
Which of the following statements is true
Centrosome — food storage
Which of the following pairs is mismatched
Which of the following organelles most closely resembles a prokaryotic cell
OO
OO
OO
Which drawing in Figure 4.1 is a tetrad?
~~~~~~~~~~~
Which drawing in Figure 4.1 possesses an axial filament?
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Which drawing in Figure 4.1 is streptococci?
(____)
Which drawing in Figure 4.1 is a bacillus?
They possess 80S ribosomes.
Which of the following statements about prokaryotic cells is generally false?
They are sensitive to penicillin
Which of the following statements about gram-negative cell walls is false
cilium
Which of the following structures is NOT found in prokaryotic cells
It protects from osmotic lysis
Which of the following statements about the glycocalyx is false
cellulose
Which of the following is NOT a chemical component of a bacterial cell wall
cell wall
Which of the following is NOT part of the active transport process
Lophotophores
Which of the following terms best describes the cell in Figure 4.2
Chromatophores
In bacteria, photosynthetic pigments are found in
Requires transporter proteins
The difference between simple diffusion and facilitated diffusion is that facilitated diffusion
get cells to the north pole
Which of the following is NOT a possible function of magnetosomes
has a cell wall
You have isolated a motile, gram-positive cell with no visible nucleus. You can safely assume that the cell
Fimbriae and pili differ in that pili
(smaller) gram-negative
In Figure 4.3, which diagram of a cell wall is a gram-negative cell wall
(smaller) gram-negative
In Figure 4.3, which diagram of a cell wall is a toxic cell wall
both
In Figure 4.3, which diagram of a cell wall has a wall that protects against osmotic lysis
(smaller) gram-negative
In Figure 4.3, which diagram of a cell wall is decolorized by acetone-alcohol?
(smaller) gram-negative
In Figure 4.3, which diagram of a cell wall is resistant to many antibiotics (e.g., penicillin)?
(larger) gram-positive
In Figure 4.3, which diagram of a cell wall contains teichoic acids?
(smaller) gram-negative
In Figure 4.3, which diagram of a cell wall contains porins?
plasma membane
Where are phospholipids most likely found in a prokaryotic cell?
Around organelles and in plasma membrane
Where are phospholipids most likely found in a eukaryotic cell
cell wall
Which of the following is NOT found in mitochondria and prokaryotes?
O with o through the center partially closed
Figure 4.4 shows movement across a plasma membrane. Which figure best represents a specific transporter protein?
Substance passes through membrane without the aid of a protein
Figure 4.4 shows movement across a plasma membrane. Which figure best represents simple diffusion?
Water channel only (no diffusion)
Figure 4.4 shows movement across a plasma membrane. Which figure best represents an aquaporin?
The cell will undergo osmotic lysis
What will happen if a bacterial cell is placed in distilled water with lysozyme?
The cell will plasmolyze
What will happen if a bacterial cell is placed in 10% NaCl with penicillin?
Ribosomes — protein storage
Which one of the following pairs is mismatched
Carboxysomes
Which of the following are NOT energy reserves
Cilia — pili
Which of the following pairs is NOT a functionally analogous pair
Propel the protozoan.
The bacteria on the outside of termite protozoa
