Chapter 4 Mastering Micro

8 terms by RLS526 

Create a new folder

Advertisement Upgrade to remove ads

Which of these statements is true regarding plasmids?
a. Prokaryotic plasmids are NOT passed from one cell to another during replication.
b. Plasmids, which are associated with membrane proteins, depend on bacterial chromosomal DNA for replication.
c. Plasmids are usually circular pieces of RNA.
d. Prokaryotic plasmids may carry genes that provide antibiotic resistance to the cell.

d. Prokaryotic plasmids may carry genes that provide antibiotic resistance to the cell.

Which of the following is NOT a characteristic of prokaryotic cytoplasm?
a. DNA
b. Inclusions
c. Ribosomes
d. Cytoplasmic streaming

d. Cytoplasmic streaming

What is the mechanism of action of penicillin in a prokaryotic cell?
a. Penicillin affects chromosomal replication in prokaryotes.
b. Penicillin weakens the cell wall.
c. Penicillin affects the ability of the basal body in prokaryotic flagella to function properly, severely degrading cellular motility.
d. Penicillin reduces the efficiency of prokaryotic fimbriae, preventing attachment of pathogenic bacteria to structures such as the intestinal lining.

b. Penicillin weakens the cell wall.

Which of the following statements regarding prokaryotic fimbriae is true?
a. Fimbriae may occur either at the poles of a bacterial cell, or can be evenly distributed over the entire surface.
b. There are usually only one or two fimbriae per prokaryotic cell, when fimbriae are present.
c. Fimbriae are involved in motility in prokaryotic cells.
d. Fimbriae in prokaryotes are often involved in DNA transfer.

a. Fimbriae may occur either at the poles of a bacterial cell, or can be evenly distributed over the entire surface.

Tumbles occur when
a. the flagella rotate counterclockwise.
b. the flagella rotate clockwise.
c. the flagella stop rotating.
d. the flagella undulate.

b. the flagella rotate clockwise

Which of the following types of bacterial cells would have only a single flagellum?
a. Lophotrichous and monotrichous
b. Monotrichous
c. Lophotrichous
d. Peritrichous
e. Amphitrichous

b. Monotrichous

Peritrichous bacteria make a run when
a. the flagella turn counterclockwise and become bundled.
b. the flagella turn clockwise and become bundled.
c. the flagella turn clockwise and separate.
d. the flagella turn counterclockwise and separate.

a. the flagella turn counterclockwise and become bundled.

Which of the following types of bacterial cells would have flagella located at only one end of the cell?
a.Peritrichous
b. Lophotrichous and monotrichous
c. Amphitrichous
d. Monotrichous and amphitrichous
e. Monotrichous
f. Lophotrichous

b. Lophotrichous and monotrichous

Please allow access to your computer’s microphone to use Voice Recording.

Having trouble? Click here for help.

We can’t access your microphone!

Click the icon above to update your browser permissions above and try again

Example:

Reload the page to try again!

Reload

Press Cmd-0 to reset your zoom

Press Ctrl-0 to reset your zoom

It looks like your browser might be zoomed in or out. Your browser needs to be zoomed to a normal size to record audio.

Please upgrade Flash or install Chrome
to use Voice Recording.

For more help, see our troubleshooting page.

Your microphone is muted

For help fixing this issue, see this FAQ.

Star this term

You can study starred terms together

NEW! Voice Recording

Create Set