Micro lecture 21

Question 1

what are alphaproteobacteria?

Answer 1

nitrogenfixing agrobacterium, marine

Question 2

Grows in erythrocytes,marcrophages, vascular endothelial cells

Answer 2

Rickettsias

Question 3

live in blood sucking arthopodsvectors or primary hosts?

Answer 3

Rickettsias

Question 4

what proteo bacter descended from free living, aerobic bacterium?

Answer 4

Rickettsias

Question 5

Possess bacteriochlorophylls a or b

Answer 5

Purple nonsulfur bacteria

Question 6

have the ability to perform anoxygenic photosynthesis

Answer 6

Purple nonsulfur bacteria

Question 7

what occurs to purple nonsulfur bacteria in the absence of light?

Answer 7

they grow aerobically as chemoorganotrophs

Question 8

can produce cellualar cysts in response to nutrient limitation

Answer 8

Purple nonsulfer bacteria

Question 9

Resistant to desiccation and have thick outer coat and store polybhydroxybutyrate

Answer 9

purple nonsulfur bacteria cysts

Question 10

what alphaproteobacteria contain protheca?

Answer 10

Caulobacterales

Question 11

what are prostheca?

Answer 11

extensions of cell with PM and CW that is narrower thn mature cell

Question 12

In the genus Caulobacter, asymmetric transverse fission produces a flagellated_______ cell that swims off but eventually settles, ejects its flagella, and forms a _____that adheres to surfaces.

Answer 12

swarmer stalk

Question 13

grows symbiotically as nitrogen fixing bacteroids within legume roots nodules

Answer 13

Rhizobiales

Question 14

pleomorphic under adverse conditions

Answer 14

Rhizobiales

Question 15

causes crown gall disease by means of tumor inducing plasmid

Answer 15

A.tumefaciens

Question 16

genus agrobacterium are blank pathogens

Answer 16

plant pathogens

Question 17

an undulant fever that is a zoonotic disease is cause by what proteobacteria ?

Answer 17

Brucellosis

Question 18

growth that is uspportd by assimilation of C1 compunds

Answer 18

methanoptrophs

Question 19

use methane as carbon and energy source

Answer 19

methylocystis

Question 20

in nitrification ammonium or nitrate are electron donors true or false?

Answer 20

true

Question 21

Complete ammonia oxidation

Answer 21

Comammox

Question 22

they are simialr to a-proteobacteria but use decomposed organic matter in anoxic enviroments

Answer 22

Burkholderiales

Question 23

what bacteria produces gonorrehea and meningitis

Answer 23

Genus neiserria

Question 24

Profile of neisseria

Answer 24

non motile, aerobic and gram negative cocci

Question 25

What proteobacteria can have capsules and pili with occur in pairs with adjacent sides

Answer 25

nesseria

Question 26

Sheaths are ?

Answer 26

hollow tubelike structures surronding chain cells found in Burkholdericeae

Question 27

causes whopping cough

Answer 27

Bordetella pertusiss

Question 28

What bacteria have the ability to oxidize ammonia to nitirite via enzymes AMO and HAO

Answer 28

Nitrosomonadaceace

Question 29

Autotrophic metabolism

Answer 29

fixes CO2 in calvin benson cycle

Question 30

Thiobacillaceae

Answer 30

lack photosynthetic pigments chemolithotrophs that oxidize sulfur compounds motile/non unicellular

Question 31

are purple sulfur bacteria strict anaerobes ?

Answer 31

yes

Question 32

can be found in anoxic sulfide rich zones in lakes

Answer 32

purple sulfur bacteria

Question 33

Purple sulfur bacteria are photolithotrophs that use H2S as an electron donor and deposit . T o F

Answer 33

true

Question 34

what is the intracellular pathogen of protozoa?

Answer 34

Legionella

Question 35

what can be transmitted through aerosolized water droplets

Answer 35

legionella

Question 36

within the host cell legionella bacteria are unbound . T o F

Answer 36

false they are contianed in a vacuole

Question 37

what triggers SCV to be metabolically active?

Answer 37

low PH

Question 38

Acinetobacter profile

Answer 38

obligate anerobic nonmotile coccobacilli

Question 39

what has an outer leaflet if lipooligosaccharides, lacks antigen O and contirbutes to resistances

Answer 39

Acintobacter

Question 40

luminescent bacteria

Answer 40

vibrionaceae

Question 41

caues cholera

Answer 41

vibrio cholerae

Question 42

Bacteria group that can be mix acid fermenters or butandiol fermenters

Answer 42

Enterbacteriaceae