Exam 4: Functional Anatomy of Prokaryotic and Eukaryotic

Figure 4.1 -Which drawing in Figure 4.1 is streptococci?

Where are phospholipids most likely found in a prokaryotic cell?

Figure 4.3 -In Figure 4.3,which diagram of a cell wall contains teichoic acids?

A gram-positive bacterium suddenly acquires resistance to the antibiotic methicillin.This trait most likely occurred due to acquisition of new genetic information through

Figure 4.2 -Which of the following terms best describes the cell in Figure 4.2?

Which of the following pairs is mismatched?

Cells placed in a hypertonic solution tend to lose water due to osmotic pressure.

Which of the following is NOT a functionally analogous pair?

Prokaryotes lack organelles.

Functions of the glycocalyx include all of the following EXCEPT

Small,hydrophobic molecules pass through a cell membrane most easily by simple diffusion.

What will happen if a bacterial cell is pretreated with a lysozyme solution,then placed in distilled water?

How do spirochetes and spirilla differ?

What is the best reason why oxygen (O₂)can cross the plasma membrane by simple diffusion,but glucose must be transported across the barrier by facilitated diffusion?

Which of the following organelles most closely resembles a prokaryotic cell?

Spheroplasts,protoplasts,and mycoplasms are bacterial cells without cell walls.

The cell walls of bacteria are responsible for the shape of the bacteria and the difference in the Gram stain reaction.

Figure 4.3 -In Figure 4.3,which diagram of a cell wall is decolorized by a brief exposure to alcohol?

Figure 4.3 -In Figure 4.3,which diagram of a cell wall has a structure that protects against osmotic lysis?

In bacterial ribosomes,a small 30S subunit and a large 50S subunit come together to produce the functional 70S ribosome.Why isn't it an 80S ribosome?