Exam 4: Organization of the Cell

Proteasomes direct the destruction of defective DNA. __________________

The force necessary to cause microtubules of cilia and flagella to slide alongside one another is provided through the action of __________ proteins, which derive the energy to perform their work directly from __________ molecules.

Figure 4-4 Use the figure to answer the corresponding question(s). -Refer to Figure 4-4.If you treated this organelle to remove ONLY the chlorophyll, which label indicates the portion of the organelle that would be most directly affected by this treatment?

Identify two structural components of the cytoskeleton, and briefly describe their function(s).

Figure 4-3 Use the figure to answer the corresponding question(s). -Which of the following organelles plays an important role in apoptosis, or programmed cell death?

A bacterial pathogen has just entered the body of a person.Describe the sequence of events that lead to the production of enzymes that will hydrolytically destroy the bacterial cell, beginning with events in the nucleus and ending with destruction of the pathogen.

The smooth ER is the primary site for the synthesis of proteins and cholesterol needed to make membranes. __________________

List the similarities and differences between prokaryotic and eukaryotic cells.Identify three ways that these differences impact cell function.