Exam 3: Cell Structure and Function

All of the following are used by prokaryotic cells for attaching to solid surfaces EXCEPT:

We cannot literally see the molecules within a cell, but __________ and __________ analysis generate a remarkably detailed view.

What unusual lipids are found in mycobacteria and of what benefit are they to these bacteria?

Which name refers to having flagella attached at one or both ends of the cell?

Prokaryotic genomes are more compact than eukaryotes and the content of nucleic acids in prokaryotes is much higher than in most eukaryotes. Explain this and why this is necessary for prokaryotes survival?

In a two-dimensional gel of E. coli proteins, about __________ different proteins can be distinguished.

Transport __________ mediate both active and passive transport.

Explain the movement of a bacterium possessing flagella away from a toxic chemical.

Describe two specialized structures that photosynthetic organisms may possess and why the structures are needed by these organisms.

All of the following statements are true EXCEPT:

All of the following represent components of eukaryotic organisms that help avoid osmotic shock EXCEPT:

Cell membranes are composed of approximately equal parts of __________ and __________.

All of the following are true about prokaryotic outer membranes EXCEPT:

The increased stability of __________ supercoils in archaea allows them to grow in more extreme environments.

From your knowledge of Gram-positive and Gram-negative cell envelopes, why would penicillin be more effective in killing Gram-positive organisms than Gram-negative organisms?

All of the proteins encoded by the genome, which are capable of expression in the cell, are known as the __________.

Compare and contrast FtsZ and tubulin. Why do the similarities support evolution of prokaryotes and eukaryotes from a common ancestor?

List and briefly describe four components of a typical bacterial cell.

What part of a cell is referred to as the sacculus?

Fts proteins do which of the following?