Exam 4: Functional Anatomy of Prokaryotic and Eukaryotic Cells

Compare and contrast gram- positive and gram- negative cell walls with regard to (a) sensitivity to antimicrobial agents, (b) resistance to phagocytosis, (c) chemical composition, and (d) decolorization by alcohol.

Which of the following statements is INCORRECT regarding prokaryotic cells?

Which of the following have a cell wall?

Which structure acts like an "invisibility cloak" and protects bacteria from being phagocytized?

Bacteria are a commonly used organism for studies of genetic material in the research laboratory. The nucleic acids must first be isolated from the cells for these studies. Which of the following would most likely be used to lyse the bacterial cells for nucleic acid isolation?

A gram- positive bacteria suddenly acquires resistance to the antibiotic methicillin. This trait most likely occurred due to

Which of the following are NOT energy reserves?

Which one of the following pairs is mismatched?

How do spirochetes and spirilla differ?

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

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

Which of the following is NOT a functionally analogous pair?

Figure 4.3 -In Figure 4.3, which diagram of a cell wall possesses molecules responsible for symptoms associated with infection?

The terms "run" and "tumble" are generally associated with

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

Which of the following is NOT found in mitochondria and prokaryotes?