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Molecular basis of life 1
Semester one
41
Biology
Undergraduate 1
01/18/2009

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Term
Specific activity =
Definition
Enzyme activity / Total protein concentration
Term
Michaelis-Menton kinetics assumes:
Definition
Only 1 substrate
Substrate concentration is not limiting
Only the initial rate is considered
Term
V =
Definition
Vmax x (Substrate concentration/(Km + substrate concentration)
Term
Turnover number
Definition
Number reactions per second
Term
Efficiancy
Definition
Cataltic speed vs binding affinity
Term
Potency
Definition
How long without enzyme vs how long with enzyme
Term
Afuisen Experiment
Definition
Determined that the proteins structure was held in the primary structure, not the cysteine bridges
Term
Zymogen
Definition
Inactive precursor to a protein
Term
Typtin active site
Definition
C end of positive residue
Term
Chymatypsin
Definition
C end of hydrophobic resisdue
Term
Elastase
Definition
C end of small residue
Term
Thrombin
Definition
Clots blood
Term
Immuno assay
Definition
Coat wells in protein to determine purity
Term
Western blotting
Definition
Electrophoresis stained with anti-body and colour chageing enzyme to determine purity
Term
Density gradient centrifugation speed
Definition
750,000 g
Term
When and who discovered DNA
Definition
Miescher 1869
Term
Griffths 1928
Definition
Smooth virus kills but rough dosesn't, dead smooth and rought does
Term
Avery 1944
Definition
If you remove DNA the virus no longer kills
Term
Hershey and Chase 1952
Definition
DNA is exchanged when virus infects, not protien
Term
Merselson and Stahl
Definition
Developed conservative model
Term
Neucleotide used in DNA sequencing to terminate chain
Definition
Dideoxyneucleotide triphosphate
Term
sRNA
Definition
Splices RNA
Term
miRNA
Definition
Prevents transcription
Term
siRNA
Definition
Promotes RNA degradation
Term
Transcription begins:
Definition
36 places after TTGACA and 10 places after AT rich region
Term
Eukaryotic ribosomes
Definition
80s (60 and 40 s)
Term
Prokaryotic ribosomes
Definition
70s (50 and 30s)
Term
Brenner and Crick
Definition
Determined size of codon
Term
Prokaryotic RNA binding site
Definition
Pre-AUG (Methionine)
Term
Eukaryotic ribosome biding site
Definition
1st AUG (Methionine)
Term
Temperature of incubation for creation of DNA vector
Definition
14 celsius
Term
Prokaryotic promotor sequence
Definition
TTGACA and TATAAT
Term
Eukaryotic promotor sequence
Definition
TATA
Term
Temperature used to denature in PCR
Definition
94 celsius
Term
Temperature used to anneal in PCR
Definition
55 celsuis
Term
Temperature for DNA polymerase to work in PCR
Definition
72 celsuis
Term
Uracil
Definition
[image]
Term
Thymine
Definition
[image]
Term
Cytosine
Definition
[image]
Term
Guanine
Definition
[image]
Term
Adenine
Definition
[image]
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