Match the following items with the correct phrases.
_______1. Have an internal organization described as a “9 + 2” arrangement of microtubules.
_______2. A type of glycocalyx having an organized structure and found firmly attached to bacterial cell walls.
_______3. Some play a role in bacterial conjugation (“bacterial mating”).
_______4. They often serve an antiphagocytic function.
_______5. Terms like monotrichous and peritrichous describe their location.
_______6. Some of these thin, hairlike appendages enable bacteria to adhere to surfaces.
_______7. Some Pseudomonas species produce this type of glycocalyx, which lacks an organized structure and is only loosely attached to the bacterial cell wall.
_______8. Used to make Hib vaccine.
a. pili
b. slime layer
c. procaryotic flagella
d. capsules
e. eucaryotic flagella
1. e. eucaryotic flagella
2. d. capsules
3. a. pili
4. d. capsules
5. c. procaryotic flagella
6. a. pili
7. b. slime layer
8. d. capsules
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Which of the following is NOT a potential impact of ocean acidification?
A) Decreasing H+ concentrations B) Coral bleaching C) Changes in metabolism of marine animals D) Increasing carbonic acid concentrations
Group A streptococci produce ________ which breaks down blood clots, allowing the bacteria to spread
A) M proteins B) a hyaluronic acid capsule C) C5a peptidase D) streptokinase E) pyrogenic toxins
Allergic reactions are triggered by the release of ________ from certain cells.
A. serotonin B. epinephrine C. acetylcholine D. histamine
A (colony/habitat/biofilm) is a mixed population of microbes growing together on surfaces.
Fill in the blank(s) with the appropriate word(s).