Exam 3 (8, 9, 10, 11)

Question 1

_____ share a distinctive form: tightly coiled cells enclosed by a sheath

Answer 1

Spirochaetes

Question 2

_____ include tiny marine bacteria and massive filamentous species. Also the only bacteria that produce oxygen

Answer 2

Cyanobacteria

Question 3

Most species of the genus Clostridium are ______ ________.

Answer 3

obligate anaerobes

Question 4

Clostridium species include the causative agents of which 2 well known diseases?

Answer 4

Tetanus (C. tetani) and Botulism (C. botulinum)

Question 5

Mycoplasma are bacteria lacking ___ ____?

Answer 5

Cell Wall

Question 6

Tuberculosis is caused by ________?

Answer 6

Mycobacterium tuberculosis
a facultative intracellular pathogen that infects ONLY humans

Question 7

M. tuberculosis is transmitted through _________ ___________?

Answer 7

respiratory droplets

Question 8

________ causes a deadly disease (plague) that can be transmitted from an animals to humans by an infected Flea.

Answer 8

Y. pestis

Question 9

________ ______ is an intracellular pathogen related to the pseudomonas AND grows inside ameba & in human macrophages.

Answer 9

Legionella pneumophila

Question 10

________ are spiral shaped bacteria

Answer 10

Spirochetes

Question 11

• are Oxygenic photoautotrophs (need sunlight)
• fix much of the biosphere’s nitrogen

Answer 11

Cyanobacteria

Question 12

______ have absent of diminished cell walls

Answer 12

Chlamydias

Question 13

Endospore-forming bacilli with gram-positive cell walls are in which group of bacteria?

Answer 13

Firmicutes

Question 14

Which of the following is a consequence when an organism infects red blood cells?

Answer 14

Decrease in red blood count.

Question 15

______ requires cell to cell contact

Answer 15

Conjugation

Question 16

____ targets RNA

Answer 16

Rifampin

Question 17

_____ targets cell wall

Answer 17

Vancomycin

Question 18

Viruses that infect bacteria are known as __________ or “phage”.

Answer 18

bacteriophage

Question 19

transduction happens via _____

Answer 19

bacteriophage

Question 20

TF → C → TD→ TP

Answer 20

Transformation
Conjugation
Transduction
Transposition

Question 21

branch of science about
- classification
- evolutionary history and relatedness

Answer 21

Taxonomy