Exam 5: Cell Structure

Match each cell structure with its corresponding description or function. -Protein factory made up of two subunits

Centrosomes play an important role in cell division.

Match each cell structure with its corresponding description or function. -Structure in the cell nucleus that makes ribosomes

Ribosomes attached to the endoplasmic reticulum are responsible for making proteins to be exported out of the cell.

Match each term to the phrase that describes it best. -Cell connections that are like small "spot welds"

Name and explain the function of each of the three types of cell fibers in the cell.

Which of the following recognize and destroy nonself cells?

The body of a female does not produce cells with flagella.

Generally, the more active a cell is, the fewer mitochondria it will contain.

A complete ribosome only exists when it is making a protein.

Rafts are stiff groupings of membrane molecules that are rich in cholesterol.

Peroxisomes contain enzymes that detoxify harmful substances.

Which of the following is not a function of the smooth endoplasmic reticulum?

The inner membrane of what double-membrane structure is contorted into folds called cristae?

Heart muscle cells are joined by gap junctions to facilitate the movement of electrical impulses.

Which of the following is a functional characteristic of ribosomes?

Which type of cell connection joins heart muscle cells?

DNA is a major constituent of which cell organelle?

The outer portion of the cell membrane is hydrophobic, or water loving.

Match each cell structure with its corresponding description or function. -Outer boundary of the cell made up of phospholipids and proteins