A ________ is a polysaccharide layer that lies outside the cell wall and is not easily removed.

Fill in the blank(s) with the appropriate word(s).


capsule

Biology & Microbiology

You might also like to view...

A cephalopod's tentacles are modified from its _____

A) mantle B) visceral mass C) foot D) shell E) radula

Biology & Microbiology

H. influenzae can be distinguished from H. aegyptius by its _____ test for _____

a. negative; sucrose fermentation b. negative; lactose fermentation c. positive; catalase d. positive; xylose fermentation

Biology & Microbiology

Frederick Griffith was a microbiologist who observed that

A) DNA contains nitrogen and phosphorus. B) proteases disrupt transformation from nonvirulence to virulence. C) DNA from heat-killed viruses transforms virulent viruses. D) nonvirulent bacteria become virulent when mixed with heat-killed virulent bacteria.

Biology & Microbiology

The significance of one new and one parental strand in each new DNA molecule would be that:

1.New strands are more susceptible to mutation. 2.DNA polymerase will only work on a parental strand. 3.Having an original strand is needed to prevent errors during the replication process. 4.Strands can only pair with existing strands.

Biology & Microbiology