9

Question 1

self feeder

Answer 1

autotroph

Question 2

dependent on other life forms for organic form of carbon

Answer 2

heterotroph

Question 3

requires on gaseous o2

Answer 3

aerobic

Question 4

doesn’t require o2 for metabolism but it can operate in the presence of it or not

Answer 4

facultative anaerobe

Question 5

only requires minute or very small amounts of o2 in the habitat for survival

Answer 5

microaerophile

Question 6

does not use oxygen and can survive with a limited extent of it

Answer 6

aerotolerant anaerobe

Question 7

lack the metabolic enzymes required for using oxygen in respiration

Answer 7

anaerobic

Question 8

strict anaerobe that cannot tolerate o2 and will die in it’s precense

Answer 8

obligate anaerobe

Question 9

organism compound that cannot be synthesized by an organism and must be provided by the enivronment

Answer 9

growth factor

Question 10

organisms that feed themselves using light energy

Answer 10

phototroph

Question 11

transport across membranes that does not require any input of energy

Answer 11

passive transport

Question 12

transport that requires input of energy as it moves solutes against concentration gradients

Answer 12

active transport

Question 13

movement from high to low concentration that doesn’t require energy

Answer 13

diffusion

Question 14

down gradient movement of molecules across a membrane that requires the help of a pathway

Answer 14

facilitated diffusion

Question 15

movement of water from an area of low salt to high salt concentration across a membrane

Answer 15

osmosis

Question 16

environment with the same salt concentration as cell

Answer 16

isotonic

Question 17

couples the transport of a nutrient with its conversion to a substance

Answer 17

group translocation

Question 18

transport of large molecules, particles, or liquids across the cell membrane by certain eukaryotes

Answer 18

endocytosis

Question 19

range of temps/ for the growth of a given microbial species

Answer 19

cardinal temp

Question 20

intermediate temperature range between min and max ranges of temp which promote the fastest range of growth and metabolism for an organism

Answer 20

optimum temp

Question 21

situation in which two organisms live together with close partnership

Answer 21

symbiosis

Question 22

situation in which two organisms are in a mutually beneficial relationship

Answer 22

mutualism

Question 23

relationship between two organism which benefits one member but not the other

Answer 23

commensalism

Question 24

when a host provides nutrients to a microbe at their own detriment

Answer 24

parasitism

Question 25

interrelationship between two or more free-living organisms that benefits both but is not necessary for their survival

Answer 25

synergism

Question 26

direct competition in which one microbe secretes chemical substances into the surrounding environment that inhibit or destroy other microbes

Answer 26

antagonism

Question 27

form of antagonism where an organism produces inhibitory compounds such as antibiotics

Answer 27

antibiosis

Question 28

prokaryotic cell division

Answer 28

binary fission

Question 29

time required for a complete fission cycle

Answer 29

generation time

Question 30

predictable pattern of growth in a population

Answer 30

growth curve

Question 31

growth curve four stages

Answer 31

lag, exponential or growth, stationary, death

Question 32

method of analyzing population growth in a tube with clear nutrient solution

Answer 32

turbidometry