Exam 3: Cells

Exchange of oxygen and carbon dioxide in the lungs is by diffusion.

Anderson's disease results in the failure to secrete large particles called chylomicrons. Which organelle is most likely affected?

What process is used by the kidneys to cleanse blood?

Which of the following processes uses specific carrier molecules?

Normally, what type of cells do not divide?

Which is not one of the three main parts of a cell?

Cells that retain the ability to divide repeatedly without specializing are called ________ cells.

The movement of molecules from an area of low concentration to an area of high concentration is called diffusion.

Cells in different tissues vary considerably. What determines a cell's specialized function?

One function of liver cells is lipogenesis, the process of converting excess dietary carbohydrates to lipids. What organelle in the liver cell performs this function?

What are the three basic parts of a composite cell?

How can nerve cells and muscle cells differ in structure and function but come from the same original cell?

What are two functions of the cell membrane?

What is the name given to cells that retain the ability to divide without specializing?

A cell membrane is composed mostly of what two organic compounds?

Nerve cells release neurotransmitters using what process?

The failure of the centrioles to attach to what structure could result in the chromosomes not separating properly during cell division?

Solution A is a 50% glucose solution. Solution B is a 25% glucose solution. The two solutions are separated by a selectively permeable membrane. Based on this information, what substance, and in which direction, would move across the membrane?

In terms of cell lineages, a blood cell is more closely related to a bone cell than to a skin cell.

What are the phases of the cell cycle?