Quiz 2 (ch. 4)

In a hypertonic solution, a bacterial cell will typically

Which of the following statements is correct about passive diffusion?

Which one of the following organisms has a cell wall?

Fimbriae and pili differ in that

Which of the following statements about gram-negative cell walls is FALSE?

In the figure, which diagram of a cell wall has a structure that protects against osmotic lysis?

In the figure, which diagram of a cell wall is decolorized by alcohol?

In the figure, which diagram of a cell wall contains porins?

The number of organelles such as chloroplasts, mitochondria, and rough endoplasmic reticulum is the same in all eukaryotic cells. True/False

Which of the following is NOT a typical characteristic of most bacterial plasma membranes?

The difference between simple diffusion and facilitated diffusion is that facilitated diffusion

Which of the following is NOT a functionally analogous pair?

Which statement regarding the structure or function of ribosomes is correct?

Which of the following pairs is mismatched?

Which of the following is NOT found or observed to occur in both mitochondria and prokaryotes?

Which of the following reagents of the Gram-stain remains bound by both Gram-positive and Gram-negative cells at the end of a correctly performed stain?

After Gram-staining a sample of Gram-negative bacteria, all the cells appear purple. What is the best explanation for this result?

After Gram-staining a sample of Gram-positive bacteria, all the cells appear red. What is the best explanation for this result?

The following reagents are used in the Gram stain. You could distinguish Gram-positive cells from Gram-negative cells after __________.

Why might an encapsulated microbe be more pathogenic than a non-encapsulated one?