Life as a bacteriophage
an introduction to virology
2 Nov 2015
1. General issues/features of viruses
2. Lytic replication of phages
3. Terminology for viral ssRNA/ssDNA
4. ssRNA phage MS2: replication and
Oct 23, 2015
Structure of ribosomes
tRNAs and the genetic code
Translation: peptide bond formation
Bacterial processes as antibiotic targets
Structure of bacterial riboso
Geologists hypothesized the presence
Water seeps into the crust, becomes heated and
then would escape through vents in the crust.
Scanned ocean oor for spikes in temper
Monday, Feb. 1, 2016
Last time: Gluconeogenesis
Today: Fasting, Insulin, Diabetes, Regulation of
II. Gluconeogenic Phase
I. Glycogenolytic Phase
Brain still needs lots of
Only liver exports
Friday, Jan 29, 2016
GPCRs, G-proteins signaling
To provide glucose for brain (120g/day) and erythrocytes (red
blood cells, 160 g/day).
To convert lactate back into glucose during exercise.
In liver , NOT in musc
The children of a colour-blind mother and a normal father will be
[A] Normal daughters and sons
[B] Normal sons and carrier daughters
[C] Colour blind sons and carrier daughters
[D] Colour blind sons and daughters
Identical twins are born, when
[A] Two sperms fertilize two ova
[B] Two sperms fertilize one ovum
[C] One sperm fertilize one ovum
[D] One sperm fertilize one ovum. Zygote cleaves into two cells that develop independently.
Which of the following hormones is responsible for the emotional states such as fear, anger and
tension and a rise in blood pressure and heart rate?
. Identify the strongest form of intermolecular bonding that could be formed involving the
residue of the amino acid tyrosine.
a) ionic bond
b) hydrogen bond
c) vander Waals interactions
d) none of the above
Which of the following is true when a G-protein interacts with a receptor?
a) The G-protein is split into a -subunit and an , -dimer
b) The G-protein is split into a -subunit and an , - dimer
c) The G-protein is split into an -subunit and a , -dimer
. Which of the following statements is untrue about G-proteins
a) G-proteins consist of four protein subunits
b) G-Proteins act as signal proteins
c) G-Proteins interact with receptors
d) G-Proteins bind GDP in the resting state
Which of the following statements is true for inositol triphosphate (IP3) formed in the reaction
a) It is a hydrophobic molecule.
b) It moves into the cytoplasm.
c) It deactivates the release of calcium ions.
d) It is not a secondary messenger.
Frederick Sanger is a twice recipient of the Nobel Prize for
Chemistry in 1958 and 1980
Physics in 1956 and 1972
Chemistry in 1954 and Peace in 1962
Physics in 1903 and Chemistry in 1911
Hermann Scheer (Germany) received right Livelihood Award in 1999 for
his indefatigable work for thepromotion of solar energy worldwide
his long standing efforts to end the impunity of dictators
showing that organic agriculture is a key to both en