exam one (bacteria)

Question 1

what are the three notable alphaproteobacteria

Answer 1

rickettsia, rhizobium. agrobacterium

Question 2

what disease causes rocky mountain spotted fever and attached to ticks

Answer 2

rickettsia

Question 3

what is unique about rickettsia

Answer 3

it is obligate intracellular, which means it has to be inside of the cell to replicate

Question 4

what alphaproteobacteria is symbiotic with plant

Answer 4

rhizobia

Question 6

what alphaproteobacteria is harmful to plant causing tumors

Answer 6

agrobacterium

Question 7

purple nonsulfur bacteria are photosynthetic but not producing ____ (alpha)

Answer 7

oxygen

Question 8

rhizobium fixes ____ for plant and makes it into ammonium and the plant sends carbon in form of _____

Answer 8

nitrogen, glucose

Question 9

the stalk on ______ bacterium is called a steadfast, it attaches to a surface(alpha)

Answer 9

caulobacter

Question 10

once the stalk/steadfast is attached to surface it gets signal to replicate from tip and it repliactes with a ____

Answer 10

flagellum (makes it motile)

Question 11

the caulobacter will lose ____ and then forms new stalk to attach

Answer 11

flagellum

Question 12

neisseria gonorrhoeae and neisseria meningitidis is part of the _____ proteobacteria (diplococci)

Answer 12

beta

Question 13

what type of diversities are betaproteobacteria known for

Answer 13

metabolic and functional

Question 14

bordetella percussis is also known as ___ ____ and is a ____ proteobacteria

Answer 14

wooping cough, beta

Question 15

burkholderia cepacia is found in ____ environments (beta; hospital acquired)

Answer 15

aqueous

Question 16

the ___ proteobacteria group are the ____ and most ____

Answer 16

largest, diverse

Question 17

enteric organisms found in the gut common ones which are gamma

Answer 17

E. Coli, Salmonella, Yersinia, Klebsiella (gram -, similar morphology)

Question 18

deltaproteobacteria can be split into two groups what are they?

Answer 18

predators (of other bacteria) and anaerobes using sulfur and metals (to grow)

Question 19

two types of predatory deltapro.

Answer 19

bdellovibrio and myxococcus

Question 20

bdellovibrio swims and collides with its prey and attaches then _____ into prey

Answer 20

integrates

Question 21

the bdellovibrio is inside the periplasm of gram __ and elongates then lyses the bacterium and releases progeny

Answer 21

negative

Question 22

mycococcus xanthus (fungus-like) invades and consumes other bacteria, it forms a ____ when there is a starvation threat

Answer 22

mound

Question 23

mound structure of mycococcus xanthus forms fruiting bodies which make ______ that are ready to find pray

Answer 23

myxospores

Question 24

smallest class of proteobacteria

Answer 24

epsilon

Question 25

three examples of extreme bacteria

Answer 25

aquifex pyrophilus, deinococcus radiodurans

Question 26

aquifex pyrophilus thrives and grows up to ___°C (does not infect humans; oldest branch of bacteria)

Answer 26

95

Question 27

what extreme bacteria is resistant to radiation and desiccation; have layers and layers of protection (stain as gram +, even though they are gram -, no lipid A or DAP)

Answer 27

deinococcus radiodurans

Question 28

photsynthetic bacteria that produce oxygen (largest group and are attracted to light)

Answer 28

Cyanobacteria

Question 29

green, purple sulfer and nonsulfer do photosynthesis how?

Answer 29

without oxygen

Question 30

exception: membrane bound thylakoid membranes in cyanobacteria which contain phycobilisomes, what is their function?

Answer 30

collect light and transfer energy to PSII

Question 31

filamentous cyanobacteria that forms when ___ is low

Answer 31

a heterocyst, Nitrogen

Question 32

The heterocyst provides ammonium to other cyanobacteria, while the other cyanobacteria cells are sending the heterocyst C, this is a ____ ____

Answer 32

survival mechanism and symbiosis

Question 33

chlamydiae are ____ ____ ___; always cause a disease in human host (usually phagocytes); Lack FtsZ

Answer 33

obligate intracellular pathogen

Question 34

spirochetes have ___ ____

Answer 34

endoflagella

Question 35

two types of diseases from spirochetes

Answer 35

syphilis and lyme disease

Question 36

what group produces sphingolipid (common in mammals but not bacteria)

Answer 36

bacteroidetes

Question 37

a bacteria that forms spores will be

Answer 37

gram +

Question 38

gram + can be divided into low and high ___

Answer 38

GC

Question 39

a high GC count will make DNA strands more resistant why

Answer 39

triple bonds are harder to pull apart

Question 40

actinobacteria have ___ GC count (gram +)

Answer 40

high

Question 41

tenericutes are unique why (gram +)

Answer 41

no cell wall

Question 42

firmicutes have ___ GC (gram +)

Answer 42

low

Question 43

lactobacillales are ____, produce lactic acid (streptococcus and lactobacillus)

Answer 43

fermenters

Question 44

three important orders of firmicute

Answer 44

clostridiales, lactobacillales, bacillales

Question 45

bacillales have spore forming and non spore forming

Answer 45

non spore: staph and listeria
spore: b. subtilis and b. anthracis

Question 46

a model organism for gram + bacterium

Answer 46

b. subtilis

Question 47

have high GC count, rods and filamentous hyphae, diptheria causing toxic fits in this group

Answer 47

actinobacteria

Question 48

mycobacterium are rod shaped and can cause tuberculosis and lepracy, what group do they fit into

Answer 48

actinobacteria

Question 49

streptomyces are actinobacteria that help make _____

Answer 49

antibiotics

Question 50

a substrate mycelium can be known as the ___