The most accurate description of human hemoglobin function below
tight oxygen and carbon dioxide binding.
loose oxygen and carbon dioxide binding.
oxygen and carbon dioxide delivery.
neither oxygen nor carbon dioxide binding.
Threonine contains a
Exam 2 Winter
Multiple Choice (2.5 pts each)
1. The figure above shows a polypeptide chain with hydrophobic residues in
black and hydrophyllic residues in white. The condensation of shape seen
from left to right is caused primarily
In Michaelis-Menten kinetics, which reaction is ignored?
ES-> E + S
For an enzyme that follows simple Michaelis-Menten kinetics,
what is the value of Vmax if Vo is equal to 1 mole/minute at
Glucokinase, the liver-specific isoform of hexokinase has a
_ Km, which means it _ respond to changes in
glucose concentration in the blood.
ATP inhibits the PFK-1 reaction, despite the fact that it is a
Sample Questions for Quiz 2
In a 3.613 alpha- helix, hydrogen bonding occurs between
a) the hydrogens of glycine side chains.
b) the hydrogens on the - carbon of proline.
c) the carbonyl oxygen and the amide nitrogen of adjacent amino acids.
d) the carbon
The molecule to the left (morphine) is a plant compound from the
opium (poppy ) plant that acts as a pain-killer. Morphine works
because it has structural similarities to natural peptide pain-killers
like Met-enkaphalin. The
F inal Exam B iochemistry 511
M ultiple Choice (2.5 pts each)
1. Substrate level phosphorylation occurs when ATP is generated by an
energyrich metabolite with high phosphoryl group transfer potential.
Which enzyme below accomplishes substrate level
Multiple Choice (3 point s e ach)
1. Which of the following is not a prop erty attrib utab le to wat er in
a) wat ers ab und ance fav ors cond ensation react ions
b) water s ionization p roducts H+ and OH- c