Bacterial Physiology

Question 1

what is the temperature at which most pathogens grow

Answer 1

37

Question 2

what two pathogens grow at 4 degrees celcius

Answer 2

listeria and yersinia enterocolitica

Question 3

at what temperture kills most bacteria

Answer 3

63

Question 4

what type of bacteria can survive at higher temperatures

Answer 4

bacillus and clostridium

Question 5

types of organisms killed by oxxygen

Answer 5

anaerobes

Question 6

types of organisms that require oxygen

Answer 6

obligate aerobes

Question 7

what type of organisms can live in oxygen but don’t necessariy care

Answer 7

facultative anerobes

Question 8

what type of organisms prefer oxygen

Answer 8

aerotolerant

Question 9

what type of organisms prefer low levels of oxygen

Answer 9

microaerophillic

Question 10

____________are used to describe organisms that grow with enriched carbon dioxide

Answer 10

capnophiles

Question 11

most aerobes, microaerophiles, and faculatative anaerobes generally have what two enzymes

Answer 11

superoxide dismutase and catalase

Question 12

_________reduces superoxide to hydrogen peroxide

Answer 12

super oxide dismutase

Question 13

__________reduces hydrogen peroxide to water

Answer 13

catalase

Question 14

oxygen requiement of streptococci

Answer 14

aerotolerant

Question 15

clostridia and bacteroides are what type of oxygen requirement

Answer 15

obligate anarobes

Question 16

helicobacter and campylobacter are what type of oxygen requirement

Answer 16

microaerophiles

Question 17

escherichia and stapylococci are what type of oxygen requirement

Answer 17

facultative anaerobes

Question 18

pseudomonas and mycobacteira are what type of oxygen requirement

Answer 18

obligate aerobes

Question 19

when pathogens degrade organic compound to produce ATP this is called

Answer 19

chemotrphic metabolism

Question 20

when pathogens use organic compounds for biosynthesis

Answer 20

called heterotrophic metabolism

Question 21

all pathogens are labeled as

Answer 21

chemoheterottrophs

Question 22

organisms that can only be cultured on special media are called

Answer 22

fastidious organisms

Question 23

basic elements bacteria need

Answer 23

CHOMKINS

Question 24

glycolysis is also called

Answer 24

embden meyerhof parnas pathway

Question 25

_________is the time when bacteria adjust to the new environment, no cell division

Answer 25

lag phase

Question 26

_______is the time when bacteria grow the fastest

Answer 26

exponential phase

Question 27

______________is the number of cells dividing =number of cells that are dying

Answer 27

stationary phase

Question 28

___________is when cells decrease in number

Answer 28

death or decline phase