Exam 4: Organization of the Cell

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:

Which of the following is a key component of the cytoskeleton?

DNA is associated with RNA and certain proteins, forming a complex called:

The smooth ER is the primary site for the synthesis of phospholipids and cholesterol needed to make ____.

Upon observing a cell of a grass blade, you notice a prominent sac that occupies a large portion of the cell. Which organelle is this?

Which of the following pairs is correctly matched?

As a result of testing an experimental drip on a vertebrate cell, you notice that the cell cortex becomes more fluid, and although the cell remains strong, it loses its ability to move. Based on this evidence, you correctly conclude that the drug most directly affected:

Why is it advantageous for cells to be small?

Figure 4-4 In the accompanying figure, the formation of carbohydrates from carbon dioxide and water occurs in the portion of labeled:

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

Which process is a function of peroxisomes?