Exam 4: Organization of the Cell

Figure 4-2 Use the figure to answer the corresponding question(s).     What enzyme in the ER lumen catalyzes the efficient folding of proteins into proper conformations?

Which one of these are the most convenient unit for measuring cells?

The many short appendages that a cell has are called cilia.

In animal cells, the main microtubule organizing center (or centrosome) is important in cell division.

In scanning electron microscopy, an electron beam passes through a very thin slice of a specimen and then falls onto a photographic plate or a fluorescent screen.

A glycoprotein destined for secretion from the cell would move through the Golgi complex in which sequence?

Figure 4-2 Use the figure to answer the corresponding question(s).     The cellular structure indicated by the arrow in the accompanying figure is responsible for:

In many cells, including almost all animal cells, the centrosome contains two structures called _________.

How does the scanning electron microscope differ from the transmission electron microscope?

Which of the following pairs is correctly matched?

Which statement about centrioles is false ?

What are the colors of an electron micrograph?

Which of the following is necessary for a cell to maintain its function and growth?

What does the nucleolus, within the nucleus, synthesize?

Which cellular structure is correctly matched to the role it plays within the cell?

Which strategy is the most effective for larger cells to have an effective surface area to volume ratio?

Which of the following serves as a framework for the orderly distribution of chromosomes during cell division?

A single cell in a smoker's lung has become cancerous. It doubles its DNA and divides much faster than a normal lung cell. The most likely change that would have caused this condition took place in the:

Name the part of the cell outside the nucleus.