Study your flashcards anywhere!

Download the official Cram app for free >

  • Shuffle
    Toggle On
    Toggle Off
  • Alphabetize
    Toggle On
    Toggle Off
  • Front First
    Toggle On
    Toggle Off
  • Both Sides
    Toggle On
    Toggle Off
  • Read
    Toggle On
    Toggle Off
Reading...
Front

How to study your flashcards.

Right/Left arrow keys: Navigate between flashcards.right arrow keyleft arrow key

Up/Down arrow keys: Flip the card between the front and back.down keyup key

H key: Show hint (3rd side).h key

A key: Read text to speech.a key

image

Play button

image

Play button

image

Progress

1/76

Click to flip

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