Lecture 17 - Ch 26 - Microbial Growth Control

Question 1

The killing or removal of all viable organisms within a growth medium

Answer 1

sterilization

Question 2

Effectively limiting microbial growth

Answer 2

inhibition

Question 3

The treatment of an object to make it safe to handle

Answer 3

decontamination

Question 4

Directly targets the removal of all pathogens, not necessarily all microorganisms

Answer 4

disinfection

Question 5

resistant cells that Can survive heat that would rapidly kill vegetative cells

Answer 5

endospores

Question 6

Sterilization method where high temperatures denature macromolecules

Answer 6

heat sterilization

Question 7

sealed device that uses steam under pressure

Answer 7

autoclave

Question 8

the process of using precisely controlled heat to reduce the microbial load in heat-sensitive liquids

Answer 8

pasteurization

Question 9

this sterilization method avoids the use of heat on sensitive liquids and gases

Answer 9

filtration

Question 10

chemical control that causes an arrest in growth

Answer 10

bacteriostatic

Question 11

chemical control that kills the bacteria and leaves the dead cell

Answer 11

bacteriocidal

Question 12

chemical control that kills the bacteria and lyses the cell

Answer 12

bacteriolytic

Question 13

the smallest amount of an agent needed to inhibit growth of a microorganism

Answer 13

minimum inhibitory concentration (MIC)

Question 14

beta-lactams Inhibit enzymes that catalyze __________.

Answer 14

transpeptidation

Question 15

which antiobiotics Inhibit enzymes that catalyze transpeptidation of PG

Answer 15

beta-lactams

Question 16

which antibiotics inhibit enzymes that catalyze transglycocylation

Answer 16

glycopeptides

Question 17

bind to membrane phospholipids and interfere with membrane function

Answer 17

polymyxin

Question 18

prevents the binding of 50S ribosome to 30S.

Answer 18

aminoglycosides

Question 19

what is an example of a glycopeptide?

Answer 19

vancomycin

Question 20

what are examples of aminoglycosides?

Answer 20

gentamicin and kanamycin

Question 21

Prevents binding of tRNA to 30S

Answer 21

tetracycline

Question 22

prevents 50S function

Answer 22

macrolides

Question 23

what are examples of macrolides

Answer 23

erythromycin, azithromycin, lincomycin

Question 24

Bind to and inhibit DNA gyrase

Answer 24

fluoroquinolones

Question 25

give an example of a fluoroquinolone

Answer 25

Cipro

Question 26

which antibiotics target DNA synthesis

Answer 26

fluoroquinolones

Question 27

Binds to and inhibits RNA polymerase

Answer 27

rifamycins

Question 28

Which antibiotics treat TB?

Answer 28

rifampicin

Question 29

________ target transcription?

Answer 29

rifampicins