Microbiology 1

Question 1

study of really small microorganisms

Answer 1

microbiology

Question 2

cells that have nuclei

Answer 2

eukaryotic

Question 3

cells that don’t have nuclei

Answer 3

prokaryotic

Question 4

a specific causative agent, such as a bacterium or a virus, that can cause or causes a disease

Answer 4

pathogen

Question 5

growth of microorganisms on artificial material

Answer 5

culture

Question 6

the mixture of nutrients on which the microorganism is grown

Answer 6

culture medium

Question 7

the growth of many different species and colonies of bacteria

Answer 7

mixed culture

Question 8

method of separating bacteria in a mixed population of high cell density/large population and uses agar medium

Answer 8

Streak plate medthod

Question 9

culture that only contain one species

Answer 9

pure culture

Question 10

designed to suppress growth of unwanted bacte and encourage growth of other microbes

Answer 10

selective media

Question 11

make it easier to distinguish colonies of desired organism from other colonies on plate

Answer 11

differential media

Question 12

a complex polysaccharide and a solidifying agent for culture media

Answer 12

agar

Question 13

lab method for testing the effectiveness of antibiotics

Answer 13

sensitivity test

Question 14

who developed gram stain method

Answer 14

hans christian grain 1884

Question 15

result will yield a pink/red stain; organisms have thin cell walls

Answer 15

gram negative

Question 16

result will yield a purple/blue stain;organisms have thick cell walls

Answer 16

gram positive

Question 17

separates bacteria into two groups and determines an organism’s cell wall structure

Answer 17

gram staining method

Question 18

a mixed population of bacteria is diluted in tubes of liquid nutrient agar

Answer 18

pour plate medthod

Question 19

type of antibiotics that only stop/inhibit growth of bacteria through refrigeration

Answer 19

bacteriostatic antibiotics

Question 20

type of antibiotics that directly kills bacteria

Answer 20

bactericidal antibiotics

Question 21

bacte develops in hot temp

Answer 21

thermophilic bacteria

Question 22

bacte develops in room temp

Answer 22

mesophilic bacte

Question 23

bacte develops in cold temp

Answer 23

psychrophilic bacte

Question 24

the production of a chemical compound by a living organism

Answer 24

biosynthesis

Question 25

spherical round cells

Answer 25

cocci

Question 26

spherical chain like

Answer 26

streptococcus

Question 27

spherical single pair or tetrad

Answer 27

pneumococcus

Question 28

spherical in clusters

Answer 28

staphylococcus

Question 29

rod shaped cells, most numerous

Answer 29

bacilli

Question 30

rod shape single or pair

Answer 30

diplobacilli

Question 31

rod shape long chain

Answer 31

streptobacilli

Question 32

rod shape spiral

Answer 32

spirilla

Question 33

thin flexible spiral shape

Answer 33

spirochete

Question 34

required higher temp than moist heat and longer exposure time

Answer 34

dry heat

Question 35

most powerful effective and efficient heat method that kill pathogenic spores

Answer 35

autoclaving

Question 36

elimination of most microbes either boiling washing or pasteurization

Answer 36

disinfection

Question 37

physical removal of microbes in fluid

Answer 37

filtration

Question 38

aka hansen’ disease

Answer 38

leprosy