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micro exam 2: ch 6,7,9 > Ch 6,7,9 Kahoot > Flashcards

Ch 6,7,9 Kahoot Flashcards

1
Q

Chemical sterilant gas, very explosive

A

ethylene oxide

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2
Q

Products of glycolysis from 1 glucose

A

2 pyruvate

2 NADH

2 ATP

2H2O

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3
Q

the type of inhibitor that binds to the allosteric site to inhibit

A

noncompetitive

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4
Q

How many ATP are produced directly in the prep/transition step

A

0

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5
Q

Most bacteria reproduce by

A

binary fission

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6
Q

You cannot use ethylene oxide as an antiseptic.

A

True

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7
Q

Inorganic molecules that help an enzymes function optimally

A

Cofactor

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8
Q

type of transport in which Na+ is moving from a lower concentration to an area of higher concentration

A

active transport

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9
Q

phase of bacterial growth where cells are most homogeneous

A

log

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10
Q

most bacteria are acidophiles

A

false

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11
Q

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

A

psychrotrophs

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12
Q

this cardinal group of bacteria is most likely spoiling food in the freezer

A

psychrophiles

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13
Q

enzyme that converts superoxide to hydrogen peroxide and oxygen

A

superoxide dismutase

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14
Q

products of Krebs per glucose molecule

A

6 NADH

2 FADH2

2 ATP

4 CO2

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15
Q

which does not belong

anabolic
catabolic
neg delta G
exergonic

A

anabolic

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16
Q

feedback inhibition is a type of ______ inhibition

A

non-competitive

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17
Q

phase of growth with maximal rate of increase

A

log

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18
Q

time need to kill 90% of microbes or spores at a specific temp

A

decimal reduction time

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19
Q

removal of all microbial life

A

sterilization

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20
Q

phase of bacteria growth where death rate= division rate

A

stationary

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21
Q

this oxygen group must have oxygen to live

A

obligate aerobe

22
Q

mixed microbial communities not pure can be very harmful

A

biofilm

23
Q

phase of growth in which the population is most susceptible to antimicrobials

A

log

24
Q

fermentation is not a redox reaction

A

false

25
Q

cardinal group that prefers “middle of the road” temps

A

mesophiles

26
Q

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

A

facilitated diffusion

27
Q

most bacteria decompose ______ to obtain nitrogen

A

proteins

28
Q

optimal temp for psychotrophs

A

25-30 degrees C

29
Q

how many ATP per glucose is produces in lactic acid fermentation

A

2

30
Q

halogen such as povoiodine can be used as antiseptics

A

true

31
Q

final electron acceptor in anaerobic respiration

A

nitrate or sulfate

32
Q

this enzyme breaks down hydrogen peroxide to water only

A

peroxidase

33
Q

substrate level phosphorylation is responsible for the production of 34 ATP in aerobic respiration

A

false

34
Q

used to sterilize heat sensitive liquids

A

filtration

35
Q

must add water to be effective antimicrobial

A

alcohols

36
Q

viruses cannot pass through the pores during liquid filtration

A

false

37
Q

this process of microbe removal is based on size

A

filtration

38
Q

these bacteria prefer to use oxygen if available

A

facultative anaerobe

39
Q

used to reduce spoilage microbes of a food product

A

pasteurization

40
Q

this phase of microbial growth when endospores can form

A

stationary

41
Q

pH cardinal group of most microbes

A

neutrophiles

42
Q

use light for energy and CO2 for carbon

A

photoautotroph

43
Q

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

A

superoxide dismutase

44
Q

liquid chemical sterilants used sometimes on medical equipment

A

aldehyde

45
Q

products of the prep/transition step per 1 glucose

A

2 acetyl CoA

2 NADH

2 CO2

46
Q

used on pre-packaged plastic disposable instruments

A

ionizing radiation

47
Q

optimal temp for mesophiles

A

35-40 degrees C

48
Q

a bacteriostatic compound is used to kill bacteria

A

false

49
Q

phase of bacterial growth in which cells are least homogenous

A

stationary

50
Q

sanitizers completely remove all microbial life

A

false

micro exam 2: ch 6,7,9 (6 decks)

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