What does "MCAT" stand for?
Which of the following is NOT a state function?
A - Internal Energy
B - Heat
C - Temperature
D - Entropy
B - heat
Increases in which of the following hormones cause sleepiness?
A - cortisol
B - growth hormone
C - melatonin
D - oxytocin
C - melanin
Enzymes increase the rate of a reaction by:
A - decreasing activation energy
B - increasing activation energy
C - decreasing the overall free energy change in the reaction
D - increasing the overall free energy change in the reaction
A - decreasing activation energy
In chemiosmosis, hydrogen ions (protons) release their energy to produce ATP as they pass across the inner mitochondrial membrane. This process involves:
A - ATP synthase
B - ATP dehydrogenase
C - ATP decarboxylase
D - electron carriers
A - ATP synthase
How long is the MCAT?
7 Hours and 30 Minutes
Which of the following processes is LEAST likely to be accompanied by a change in temperature?
A - the kinetic energy of a gas is increased via a chemical reaction
B - energy is transferred to a solid via electromagnetic waves
C - A boiling liquid is heated on a hot plate
D - A warm gas is mixed with a cold gas
Which of the following is NOT a component of social perception?
A - the target
B - the situation
C - the perceiver
D - the process
D - the process
Which of the following devices would be the most appropriate to use to measure the heat capacity of a liquid?
A - thermometer
B - calorimeter
C - barometer
D - volumetric flask
B - calorimeters measure heat transfer!
Almost all of the oxygen one consumes in breathing is converted into which of the following?
A - Carbon Dioxide
B - Acetyl-CoA
C - Water
D - Pyruvate
C - water
If you retake the MCAT, what score do medical schools see?
All scores that are not voided
The entropy of a system can:
A - never decrease
B - decrease when the entropy of the surrounds increases an equal amount
C - decrease when the system is isolated and the process is irreversible
D - decrease during an adiabatic reversible process
B - decrease when surroundings increase by equal amounts
A child who cries when his mother departs and smiles when she returns is displaying which type of attachment pattern?
A - avoidant attachment
B - ambivalent attachment
C - disorganised attachment
D - secure attachment
D - secure attachment
A reaction that utilizes oxygen and hydrocarbons as reactants then produces carbon dioxide and water as products is best characterized as:
A - single-displacement
B - combustion
C - metathesis
D - decomposition
B - combustion
A - silent mutation
B - missense mutation
C - nonsense mutation
D - substitution mutation
D - substitution mutation
How long does an MCAT score last?
3 years
A man walks 30 m east and then 40 m north. What is the difference between his traveled distance and his displacement?
A. 0 m
B. 20 m
C. 50 m
D. 70 m
Distance = 30+40 = 70m
Displacement = sqrt (30^2 + 40^2) = 50m
70m-50m = 20m
In several species of shrimp, the larger adults will sacrifice themselves to protect the younger, smaller shrimp. How is the behavior best explained?
A - inclusive fitness
B - direct benefit
C - sensory bias
d - foraging
A - inclusive fitness
Which of the following statements about saturation is FALSE?
A. It can describe the number of double or triple bonds in a fatty acid tail.
B - It determines at least one of the properties of membranes
C - More saturated fatty acids make for a more fluid solution
D - Fully saturated fatty acids have only single bonds
C is false!
What is the shape of Streptococcus pneumoniae?
A - spheres in a chain
B - rods in a chain
C - spheres in a cluster
D - rods in a cluster
A - spheres in a chain
Strepto- = chain
-Coccus = spheres
What is the maximum and minimum scores on the MCAT?
Minimum - 472
Maximum 528
Which of the following phase changes is associated with the largest decrease in entropy?
A - fusion
B - solidification
C - deposition
D - sublimation
C - deposition
Gasses have the highest entropy and solids have the lowest
Carl is always happy and smiling. Today, you notice he seems down and thinks something must have happened to him. What types of attribution are you making?
A - Internal and Dispositional
B - External and Dispositional
C - Internal and Situational
D - External and Situational
D - External and Situational
In CH3CN, where there is a triple bond between CN, what type of hybridization is present?
A - sp2, 180 degrees
B - sp, 180 degrees
C - sp2, 120 degrees
D - sp3, 109 degrees
B - sp, 180 degrees
During division of a mammalian cell, spindle formation will NOT occur unless there is proper functioning of the:
A - centrioles
B - centrosomes
C - cristae
D - lysosomes
A - centrioles