Tag Archives: MCAT

Crazy Catalyst

Which of the following should be observed with the addition of a catalyst to a chemical reaction?

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Identify the Molecular Geometry of CO2

Which of the following molecules has the same molecular shape as CO2?

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Cerebrospinal Fluid Producers

Cerebrospinal fluid (CSF) is created by special capillary networks located in the brain. CSF bathes the hollow regions of the brain, spinal cord, and around the central nervous system, within its protective coverings. The areas that the CSF pathway includes are:

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Kinetic Energy of a Race Car

What happens to the kinetic energy of a race car if its speed is tripled?

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Nerve Impulse Propagation

The velocity of nerve impulse propagation could be increased by:

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Gastrin Secretion

Which of the following statements is NOT true regarding gastrin secretion and function?

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Decreasing Activity of an Enzyme

Some enzymes experience a decrease in activity proportional to the concentration of their products. This phenomenon could be an example of what process?

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Plane-Polarized Light

Which of the following molecules do not rotate the plane of plane-polarized light?

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Know Your Thermo

Describe the reaction below.

PCl3(g) + Cl2(g) -> PCl5(g); Delta(Hf) = -87.9kJ/mol

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Mechanism of Cyanide

The lethal poison cyanide causes death by interfering with cellular respiration. What is cyanide’s mechanism of toxicity?

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