MCAT Chem Practice Question – Ion to Atoms Ratio
A 1-L beaker is filled with 2 moles of liquid methanol and 0.25 moles of NaCl. The ratio of ions to atoms in this solution is: A. 0.5:2 B. 1:6 C. 1:25 D. 3:1
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Read MoreMCAT Chem Practice Question – Ion to Atoms Ratio
MCAT Chemistry Practice Question – Amines
If hexanamide is treated with ethanol, what would be the expected products? A. Hexanamide and water B. Ethyl hexanoate and an amine C. Hexanoic acid and an amine D. No reaction
MCAT BioChem Practice Question – Sleep Study
Only 30% of students get this question right! Do you know the correct answer? Study participants are asked to live in a dark room for several consecutive days. Assuming healthy participants with normally functioning immune systems, their brains would be…
MCAT Physics Practice Question – Fluid Dynamics
Which of the following statements are true? I. The blood velocity and pressure are higher in arteries than in capillaries. II. Blood vessels do NOT follow Bernoulli’s principle if viscosity of blood is taken into account. III. For an incompressible…
MCAT Physics Practice Question – Radiation Absorption
Absorption of radiation corresponding to what portion of the electromagnetic spectrum is most likely to excite Aequorea fluorophore, a green fluorescent protein used in biological experiments? A. Ultraviolet B. Infrared C. Orange D. Microwave
MCAT Psychology Practice Question – Bipolar Disorder
Upon admission to a hospital for a severe manic episode, a patient exhibits an excitable, cheerful demeanor as well as psychotic delusions of being a celebrity. These symptoms all disappear after six weeks of treatment. He experiences a normal mood…
MCAT BioChem Practice Question – Excitatory Neurotransmitter
Which of the following is most likely the excitatory neurotransmitter released into the synaptic cleft between the inner ear hair cells and their spiral ganglion? A. GABA B. Acetylcholine C. Serotonin D. Glutamate
MCAT Biology Question — Chromosomes
An organism is heterozygotic at each of its chromosomes, and can create 16 genetically unique haploid cells. How many homologous pairs of chromosomes are in each diploid cell? Assume that no recombination occurs. a) 2 b) 4 c) 8 d)…
MCAT Chemistry Question — Electrolytic Cell
An electrolytic cell consists of two half-reactions: Ag+(aq) + e– → Ag(s) E° = 0.80 Cu2+(aq) + 2e– → Cu(s) E° = 0.34 What is the standard-state cell potential for the electrolytic cell? a) -1.14 V b) -0.46 V c) 0.46 V…
MCAT Physics Question — Moon Gravity
The moon’s gravity is 1/6 that of the earth. On earth, the buoyant force on a blueberry in a beer equals the weight of the blueberry, and it bounces up and down in the beer. On the moon, will the…