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final multiple choice question
hiyahh
73
Microbiology
Undergraduate 3
05/11/2011

Additional Microbiology Flashcards

 


 

Cards

Term
EXAM 1
Definition
Term

 

what domain contains disease carrying pathogens?

Definition
ONYLY bacteria
Term
Louis pasteur
Definition
alcholic fermentation was a biologically mediated process
Term
microscope using thing gold
Definition
scanning electron microscopy
Term
eukaryotic microorganisms are collectively known as
Definition
protists
Term
alage are ____ ____ organisms in lichens
Definition
photosynthetic partner org
Term
licens are ex of _____ _____ between two groups of ____
Definition
licens are ex of mutualistic relationship between two groups of protists
Term
do algae have cells wall like protozoa?
Definition
Yes they both do
Term
***procedure of phylogenetic studies
Definition

isolation of DNA

Amplification of rRNA

sequencing

create tree

 

(isolate the donkey, make alot of him, put them into sequences then, create a trree)

 

Term
base pairs of DNA held together by
Definition
HB
Term
3 component of nucleotide
Definition

nucleotide

C5 sugar

phosphate

Nitrogen base

Term
3 componenents of nucleoside
Definition

nucleoside (SIDE) , c5, Nitrogeneous base

 

 

Term
difference between components of nucleotide and sides?
Definition

tide- made of tide/ phosphate ( tides have lot's of E or ATP)

oside- made of osides

 

 

Term
describe polysaccaride
Definition
monometic units of polysacc linked by sugar bonds (glycosidic bonds)
Term
what is the role of nucleotide
Definition

nucleic acid formation

sugar carrier in biosynthesis of poly sacchs

regulatory mole for certain enzyme NOT electrical E

Term
peptide bond is formed when NH2 and ___ joins together and Water is ___
Definition
cooh joins together and WATER is RELEASED
Term
alpha provides more _____, and beta provides more _____ *******
Definition

flexibility, regidity

 

alpha is the weakling =)

Term
archeal lipids lack what in the membrane
Definition
fatty acids
Term
outermost layer of hypothetical cell
Definition
slime layer
Term
cell affected by lysozyme
Definition
gram positive bacteria
Term
what happens to substance during group translocation
Definition
chemiicaly modified during transport
Term
ABC transport requires ____ and often invovled in uptake of ___ and ____ cmpds
Definition
ABC require ATP and often involved in uptake of organic and inorganic cmpds
Term
in pathogeneic bacteria, protein secreted via type _ secretion systems are translocated direcly into the ____.
Definition
3, host
Term
lac Permease (simple transport) to transport lactose across CM is ATP?
Definition
NOOOOOO GTP
Term

KDO sugar is found ____region of lipopolysaccaride(LPS)

and component of (endotoxin) of LPS is found in ____ region

Definition
core polysaccaride , Lipid A region
Term

similarity between pseudomurein and peptidoglycan is??

 

 

Definition
NAG
Term
biphytanyl molecule within membrane structure of the ___  posses a lipd ____
Definition
archaea/ monolayer
Term
function of pili***
Definition
twitching motility and genetic transfer between cells
Term

****prokaryotes that lack cell walls 2

 

(fire burns my plasmas--> no cell wall)

Definition

mycoplasmas and thermoplasmas

 

 

Term

endospres have complex structures (DPA) that are ABSENT from vegetative cells

 

endospores cycle: activation--?germ--?outgrowth

Definition
Term

microbial locomotion:

 

flagella increase or decrease rotational speed depending on PMFFFFF

Definition
Term
which domains posses gas vesicles
Definition
bacteria/archaea
Term
teichoic acid is found in the cell wall of which kinds of bacteria
Definition
gram positive
Term

beigernick winogradsky

 

think sky- nitrogen

 

Definition
nodule, nitrogen fixation
Term
sergei winogradsky
Definition
chemolithotrophy and autotrophy
Term
hyperthermophiles are mainly in what group?
Definition
crenarchaeota
Term
Exam 2
Definition
Term
copper is not a macro-molecule
Definition
Term
siderophores
Definition
help transfer IRON MAN across the world
Term
culture media is not
Definition
defined,
Term
Gram negative Ecoli ferments lactose turning MacConkey agar what color?
Definition
PINK
Term
ethers are found only in which domain
Definition
archea
Term
positive deltaG (free E) refers to
Definition
endergonic E requiring
Term
enzymes are generally NOT smaller than substrate
Definition
Term
which reaction in glycolysis involve substrate-level phosphorylation to generate ATP****
Definition
PEP--> pyruvate
Term

Net product of glycolysis is 2nadh, 2 atp, and 2 pyruvates

 

lactate fermentation does not produce NADH, only recycles it as an electron carrier

Definition
Term
pyruvate kinases NOT found in gluconeogenesis
Definition
pyruvate kinase
Term
which bacteria uses NA motive force
Definition
alkaliphile bacillus firmus
Term
water is only produced through ETC at the end
Definition
Term
batch culture
Definition

rate of cell death is faster than rate of exponential growth

 

people die faster then they grow.   FALSE

Term
chemostate growth rate is controlled by what?
Definition
dilution rate
Term
in chemostate, growth yield (biomass) is controlled by concentration of what?
Definition
limiting nutrient
Term
in batch culture, is it possoble to independently control both growth yield and rate
Definition
NOOO WAYYYYYY!
Term

****

 

NADH = 3 ATP

FADH = 2 ATP

Definition
Term
osmophiles
Definition
high sugar
Term
xerophiles
Definition
low water availability
Term
halophiles
Definition
high salt loving enviroments
Term
cryptic growth
Definition
numbers of cells being generated = cells dying (thing static)
Term
why does direct microscopic counts of natural samples typically reveal more micro of any given culture condition
Definition
count dead cells, different microganisms in every smal sample, VBNC!
Term
advantages of turbiditity measurement
Definition
do not require destructure or significance disturbance of samples
Term
amino group typically comes from INORGANIC nitrogen source obtained from the surrounding and added by what 2 possible enzymes
Definition

1. glytamate dehydrogenase

2. glutamine synthetase

Term
MreB
Definition
major shape determining protein in prok.
Term
which 3 subgroups use ETC/PMF*****
Definition
chemolithotrophy and respiration (aerobic and anaerobic respiration)
Term
what holds fatty acid chains together as it is being synthesized
Definition
ACP, actyl carrier protein
Term

regulation of activity of biosynthetic enzyme (glutamine synthetase (GS) is regulated by adenosine AMP which is true

 

amount of glutamine and GS acivity are INVERSELY CORRELATED

Definition
Term
bacterial growth, generation time is dependent on what 2 components?
Definition

a. growth medium

b. incubation conditions

Term
heme prosthetic groups are associaited with cytochrome C
Definition
Term
the final step to peptidoglycan sythesis is NOT cross link between G (N-acetyl) and G (N-acetyl), what is it then?
Definition
Term
Rna Synthesis transcription begins at the ____ ____ in prokaryotes
Definition
PROMOTER region
Term
function of primase
Definition
No synthesis of RNA Primer
Term
EXAM 3
Definition
Term
predicting start codon requires what?
Definition
10/35 nd shine dalgarno seq
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