AAMC FREE EXAM QUESTIONS AND
ANSWERS
Le Chatelier's Principle ANSWER States that if a stress is
applied to a system at equilibrium, the system shifts in the
direction that relieves the stress.
Bose-Einstein Principle ANSWER states that a collection of
atoms cooled close to absolute ze...
Le Chatelier's Principle ANSWER States that if a stress is
applied to a system at equilibrium, the system shifts in the
direction that relieves the stress.
Bose-Einstein Principle ANSWER states that a collection of
atoms cooled close to absolute zero will coalesce into a single
quantum state
Heisenberg uncertainty principle ANSWER States that one
cannot known both the momentum and position of an object
with absolute certainty
Pauli Exclusion Principle ANSWER States that two or more
identical fermions, e.g. electrons, cannot occupy the same
quantum state
The reaction between NADH and ubiquinone is exergonic, but
the reaction, when catalyzed by Na+-NQR, does not generate
much heat in vivo. What factor accounts for this difference?
ANSWER The movement of a charged particle against its
concentration gradient is energetically costly. Coupling the two
processes: the redox reaction between NADH and ubiquinone
and the movement of Na+ up a concentration gradient makes
the overall process less exothermic.
If all else is held constant, which of the following changes would
NOT double the volume of a gas ANSWER Based on Boyle's
Law, P is inversely proportional to volume, thus, doubling the
pressure of a gas sample will decrease, not increase, the
volume.
, What is the molecular formula of the heterocyclic aromatic
compound pyrrole? ANSWER C4H5N
How many Liters are in 1 mol of gas? ANSWER 22.4 L
How does fluorescence occur? ANSWER Fluorescence can
occur when the absorbed radiation has a photon energy larger
than the photon energy of the radiation emitted through
fluorescence.
A major obstacle to obtaining useful energy from a nuclear
fusion reactor is containment of the fuel at the very high
temperatures required for fusion. The reason such high
temperatures are required is to: ANSWER enable reactants to
approach within range of the strong nuclear force.
Enantiomers can exhibit a difference in which chemical or
physical property ANSWER Enantiomers have the same
physical and chemical properties. They differ only in their three
dimensional arrangement of atoms and their interactions with
other chiral molecules. They can differ in their smell due to
interacting differently with chiral odorant receptors.
Blood Flow Speed ANSWER V= Q/A
A= Pi*r^2
Which of the following species has an electron configuration
equivalent to that of a noble gas
A. Ca2+
B. Cu2+
C.O
D.H ANSWER Ca2+ has lost its valence electrons and thus
attains the electronic configuration of the previous noble gas
(Ar).
Copper has 11 outer electrons. Loss of 2 electrons.
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