s32 to s68 bacterial diversity

Question 1

what kind of bacteria show the fastest doubling rates of all cells, as well as high rates of mutation?

Answer 1

thermophiles

Question 2

what organism is very close biologically to E.coli

Answer 2

shigella

Question 3

what are the most extreme bacterial hyperthermophiles and what kind of resperation do they use?

Answer 3

Aquifcae; Thermotoga = anaerobic heterotrophs, thiosulfate and S are electron acceptors

Question 4

photosynthetic thermophile?

Answer 4

Chloroflexi

Question 5

what organism is the source of taq DNA polymerase

Answer 5

Thermus aquaticus

Question 6

what organism ferments complex carbohydrates in the gut?

Answer 6

bateroides (anaerobic)

Question 7

the genus that oxidizes nitrite to nitrate is called?

Answer 7

nitrospirae

Question 8

Genus that includes human pathogens is called

Answer 8

fusobacteria

Question 9

what phylum does all the oxygen in the earth come from?

Answer 9

cyanobacteria (oxygenic phototrophs)

Question 10

what part of a cell carries out the photo portion of photosynthesis

Answer 10

thylokoids

Question 11

what part of a cell carries out CO2 fixation

Answer 11

carboxysomes

Question 12

a differentiated cyanobacterial cell that carries out nitrogen fixation

Answer 12

heterocyst
(found in blue/green algea and many cyanobacteria)