Some prokaryotes attach to other substrates by hairlike outgrowths, which are shorter than flagella. These are called

A. flagellin.
B. endospores.
C. plasmids.
D. pili.
E. fission products.


Answer: D

Biology & Microbiology

You might also like to view...

The only class of antibody that can cross the placenta is

A. IgA. B. IgD. C. IgG. D. IgE.

Biology & Microbiology

A hominid of Europe and Asia that became extinct

nearly 30,000 years ago was a. a dryopith. b. Australopithecus. c. Homo erectus. d. Homo neanderthalensis e. Homo floresiensis.

Biology & Microbiology

Cytosine and thymine are the two types of bases found in DNA known as ______________________. Fill in the blank(s) with the appropriate word(s)

Biology & Microbiology

Mutation as a force in genetic diversity serves to

A. increase genetic diversity. B. rapidly change allele frequencies. C. maintain a genetic equilibrium. D. work against selection. E. do none of these.

Biology & Microbiology