Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
76 Cards in this Set
- Front
- Back
Salting of meat to prevent spoilage by microoranisms produces surface conditions for these cells best described as
|
Hypertonic
|
|
The issue of spontaneous generation was finally resolved by
|
Pasteur
|
|
Facilitated diffusion requires
|
Permeases
|
|
Bacterial microcompartments are made of
|
proteins
|
|
secretory proteins in procaryotes are usually translated on ribosomes that are
|
membrane bound
|
|
Bacterial microcompartments help retain
|
non-polar metabolites
|
|
Mitochondria evolved from
|
Bacterial symbionts
|
|
Virulence factors produced by Bacillus Anthrasis are coded for by
|
Plasmids
|
|
Botulism in babies is occasionally caused by injestion of
|
honey
|
|
Cells suspended in hypertonic solutions undergo
|
plasmolysis
|
|
Bacteria with a flagellum at one end is called
|
monotrichous
|
|
which requires no energy?
|
facilitated diffusion
|
|
Which require energy
|
Antiport, active transport, symport
|
|
Mitochondria branch from the tree in the line that gives rise to
|
Bacteria
|
|
The phylogenertic tree of life has how many major groups of organisms
|
3
|
|
The spore coat consists of
|
protein
|
|
Procaryotic mRNA differs from eucaryotic in that it is
|
polyinformational
|
|
Procaryotic DNA is
|
circular
|
|
A major advantage for pathogenic bacteria
|
capsules
|
|
Archae derive from
|
eukaryotic organisms
|
|
Autophagic vacuoles derive from
|
ER
|
|
Ubiquitin aids in
|
Protein Degradation
|
|
Dephosphorylation of Che Y indicates
|
MCP binding
|
|
Dipeptide binding to procaryotic chemoreceptors causes
|
a run
|
|
Microtubules are the main component in ths structure
|
axonemes
|
|
Spore cortex is composed of
|
peptidoglycan
|
|
An organism that grows only at oxygen levels less than 10% is called a
|
Microaerophile
|
|
Using organic molecules as the final electron acceptor is called
|
fermentation
|
|
Bacterial growth curve areas where there is a maximum increase in colony forming units is the
|
log phase
|
|
Sugars for nucleic acid synthesis are provided by
|
Pentose phosphate pathway
|
|
Superoxide dismutase produces
|
O2
|
|
Singlet oxygen and hydrogen peroxide are strong
|
Oxidizing agents
|
|
Pyruvate is the final electron acceptor in
|
Fermentation
|
|
What are standard autoclaving conditions
|
121 C, 15 psi, 15 mins
|
|
Catalase produces
|
O2
|
|
A dangerous component of honey is
|
Clostridium
|
|
.5 ml of a 10-5 dilution yielded 46 colonis on a plate. Calculate CFU/ml
|
9.2e6
|
|
DnaK and DnaJ bind to
|
new polypeptides
|
|
Carbon salvage in metabolism is accomplished by
|
Glyoxylate Cycle
|
|
Anaplerotic reactions in most cases produce
|
glucose
|
|
Tissue culture media has a unique requirement for
|
serum
|
|
An acidophile has a ph growth optimum of
|
0-5.5
|
|
Chemoautotrophs obtain energy by
|
oxidizing inorganic compounds
|
|
Aerobic bacteria are capable of surviving in high oxygen concentration by producing enzymes that degrade H2O2 and
|
superoxide
|
|
The Calvin Cycle has a regeneration, reductin and
|
carboxylation phase
|
|
Acetyl-CoA. if ATP levels are very high in eucaryotic cells of mammals, is converted into
|
Pyruvate
|
|
The pentose phosphate pathway produces
|
7 carbon sugars, 4 carbon sugars, and reducing power
|
|
Glycogenic compounds produced in glycolysis and the TCA cycle rob metabolic processes of
|
Carbon
|
|
Substrate level phophorylation in glycolysis results in a net gain of
|
2 ATPs
|
|
The Glyoxylate Cycle preserves
|
carbon
|
|
Heterolactic fermentation produces
|
ethanol
|
|
Adenyl cyclase is induced by
|
low levels of glucose
|
|
high levels of cyclic AMP indicate
|
lac operon stuctural gene transcription
|
|
The PEP:PTS system begins with
|
enzyme phosphorlyation
|
|
During gene repression the active repressor binds to the
|
operator
|
|
During induction the regulator gene product is
|
inactivated by inducer
|
|
The promoter is adjacent to the
|
operator
|
|
Most bacterial pathways were constructed using
|
auxotrophic mutants
|
|
Viral mediated DNA uptake is called
|
transduction
|
|
The reaction mixture for PCR includes
|
Deoxyribonucleotides, target DNA, polymerase and primer DNA
|
|
Human papillomavirus is strongly implicated in
|
cervical cancer
|
|
Structural genes are
|
downstream from the promoter
|
|
To screen for plasmid uptake in bacteria use
|
antibiotic resistance
|
|
X-ray causes
|
DNA breaks
|
|
The 12 vertices in icosahedral viruses are composed of
|
Pentons
|
|
Hershey and Chase showed
|
that DNA is the carrier of genetic info
|
|
Hfr conjugation never results in F conversion b/c
|
the cleavage site for linear DNA production is the middle of the F factor gene
|
|
Gene induction involves
|
inducer binding to repressor
|
|
An example of lentiviruses
|
HIV
|
|
DNA fragments are analyzed using
|
Southern blot
|
|
Naked DNA uptake by cells is called
|
Transformation
|
|
Influenza virus pandemics can be partly attributed to
|
segmented RNA
|
|
UV damage to DNA results in
|
Thymine dimers
|
|
An example of latent viruses is
|
chickenpox
|
|
Extremophiles survive primarily as a result of
|
chaperone proteins
|
|
Reverse transcriptase produces
|
DNA
|