Exam 3: Cell Structure and Function

A(n) is a type of glycocalyx that is firmly attached to the cell.

Describe how the structure of the cytoplasmic membrane relates to its function of selective permeability.

Eukaryotic ribosomes are composed of 50S and 30S subunits.

Svedbergs are a measurement of the size and sedimentation rate of cellular structures such as ribosomes.

Which of the following statements concerning endocytosis and exocytosis is correct?

Production of secretory vesicles is a function of which of the following?

The process by which cells accomplish elimination of wastes and secretion of cellular products is _.

Which of the following bacterial cell structures plays an important role in the creation of biofilms?

Another name for a channel protein in the cell membrane is .

A higher concentration of solutes corresponds to a (higher/lower) concentration of water in a given solution.

In a(n) solution, an animal cell can gain so much water that it may burst.

Which of the following is NOT true of endospores?

All of the following structures are associated with eukaryotic cells EXCEPT:

The cell membrane is described as , which means it allows some substances to cross while preventing the crossing of others.

is the general term for the semiliquid material that contains structures such as ribosomes and inclusions inside a cell.

All of the following statements concerning the endoplasmic reticulum (ER) are correct EXCEPT:

Which of the following is NOT a function of the eukaryotic cytoskeleton?

The peptidoglycan molecule is composed of chains of alternating sugar subunits connected by short crossbridges of four amino acids called .

The endosymbiotic theory explains the origins of mitochondria and centrioles.

is a part of the Gram- negative cell wall that can produce fever, inflammation, and shock when it is released into the bloodstream.