Ch 6,7,9 Kahoot Flashcards
Chemical sterilant gas, very explosive
ethylene oxide
Products of glycolysis from 1 glucose
2 pyruvate
2 NADH
2 ATP
2H2O
the type of inhibitor that binds to the allosteric site to inhibit
noncompetitive
How many ATP are produced directly in the prep/transition step
0
Most bacteria reproduce by
binary fission
You cannot use ethylene oxide as an antiseptic.
True
Inorganic molecules that help an enzymes function optimally
Cofactor
type of transport in which Na+ is moving from a lower concentration to an area of higher concentration
active transport
phase of bacterial growth where cells are most homogeneous
log
most bacteria are acidophiles
false
this group of bacteria would most likely spoil your open, unrefrigerated mayo
psychrotrophs
this cardinal group of bacteria is most likely spoiling food in the freezer
psychrophiles
enzyme that converts superoxide to hydrogen peroxide and oxygen
superoxide dismutase
products of Krebs per glucose molecule
6 NADH
2 FADH2
2 ATP
4 CO2
which does not belong
anabolic
catabolic
neg delta G
exergonic
anabolic
feedback inhibition is a type of ______ inhibition
non-competitive
phase of growth with maximal rate of increase
log
time need to kill 90% of microbes or spores at a specific temp
decimal reduction time
removal of all microbial life
sterilization
phase of bacteria growth where death rate= division rate
stationary
this oxygen group must have oxygen to live
obligate aerobe
mixed microbial communities not pure can be very harmful
biofilm
phase of growth in which the population is most susceptible to antimicrobials
log
fermentation is not a redox reaction
false
cardinal group that prefers “middle of the road” temps
mesophiles
type of diffusion in which a protein channel is needed for an ion from higher concentration to lower concentration
facilitated diffusion
most bacteria decompose ______ to obtain nitrogen
proteins
optimal temp for psychotrophs
25-30 degrees C
how many ATP per glucose is produces in lactic acid fermentation
2
halogen such as povoiodine can be used as antiseptics
true
final electron acceptor in anaerobic respiration
nitrate or sulfate
this enzyme breaks down hydrogen peroxide to water only
peroxidase
substrate level phosphorylation is responsible for the production of 34 ATP in aerobic respiration
false
used to sterilize heat sensitive liquids
filtration
must add water to be effective antimicrobial
alcohols
viruses cannot pass through the pores during liquid filtration
false
this process of microbe removal is based on size
filtration
these bacteria prefer to use oxygen if available
facultative anaerobe
used to reduce spoilage microbes of a food product
pasteurization
this phase of microbial growth when endospores can form
stationary
pH cardinal group of most microbes
neutrophiles
use light for energy and CO2 for carbon
photoautotroph
all microbes that use O2 or live in its presence must make
superoxide dismutase
liquid chemical sterilants used sometimes on medical equipment
aldehyde
products of the prep/transition step per 1 glucose
2 acetyl CoA
2 NADH
2 CO2
used on pre-packaged plastic disposable instruments
ionizing radiation
optimal temp for mesophiles
35-40 degrees C
a bacteriostatic compound is used to kill bacteria
false
phase of bacterial growth in which cells are least homogenous
stationary
sanitizers completely remove all microbial life
false
