ch 6 Kahoot

Question 1

Most bacteria reproduce by

Answer 1

Binary fission

Question 2

Phase of bacterial growth where cells are most homogeneous

Answer 2

Log

Question 3

This enzyme breaks down H2O2 to O2 & H2O

Answer 3

Catalase

Question 4

most bacteria (in terms of pH) are

Answer 4

neutrophiles

Question 5

this group of bacteria would most likely spoil your open, unrefrigerated slaw

Answer 5

psychrotrophs

Question 6

this cardinal group of bacteria spoil food in the freezer

Answer 6

psychrophiles or psychotrops

Question 7

phase of growth with maximal rate of cell increase

Answer 7

log phase

Question 8

environment in which cell membranes shrink away from cell walls due to water loss from the cytoplasm

Answer 8

hypertonic

Question 9

phase of bacteria growth where endospores may form

Answer 9

stationary phase

Question 10

this cardinal group must have oxygen to live

Answer 10

obligate aerobe

Question 11

mixed microbial communities not pure can be very harmful

Answer 11

biofilm

Question 12

a relationship in which one partner receives benefits while its partner is neither harmed nor benefited

Answer 12

commensalistic

Question 13

solute concentration is higher inside of the cell than outside. water will rush into the cell, swell, lysis

Answer 13

hypotonic solution

Question 14

cases are typically transported across the plasma membrane by _____

Answer 14

simple diffusion

Question 15

phase of growth in which population is most susceptible to antimicrobials

Answer 15

log phase

Question 16

cardinal groups that prefers “middle of the road” temps

Answer 16

mesophiles

Question 17

type of diffusion in which a protein channel is needed for an ion from higher concentration to lower concentration

Answer 17

facillitated

Question 18

most bacteria decompose ____ to obtain nitrigen

Answer 18

proteins

Question 19

optimal temps for psychotrophs

Answer 19

25-30 degrees C

Question 20

these bacteria prefer to use oxygen if available

Answer 20

facultative anaerobe

Question 21

the phase of microbial growth when endospores can form

Answer 21

stationary phase

Question 22

use light for energy and CO2 for carbon

Answer 22

photoautotroph

Question 23

MSA is ____ type of media

Answer 23

selective and differential

Question 24

EMB is selective for ____ bacteria and differential for _____ fermentation

Answer 24

gram neg

lactose

Question 25

an interrelationship between 2 organisms that benefits them both but is not necessary for survival

Answer 25

syngerism

Question 26

all microbes that use O2 or live in its presence must make

Answer 26

superoxide dismutase

Question 27

optimal temp for mesophiles

Answer 27

35-40 degrees C

Question 28

phase of bacteria growth in which cells are least homogeneous

Answer 28

stationary phase

Question 29

the phase of growth in which the bacteria are adapting to new medium or other conditions

Answer 29

lag phase

Question 30

growth optimum between pH 1 and pH 5.5

Answer 30

acidophiles