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Sample MCAT Exam Chemistry Questions and Answers 100% Correct
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Sample MCAT Exam Chemistry Questions and Answers 100% CorrectSample MCAT Exam Chemistry Questions and Answers 100% CorrectSample MCAT Exam Chemistry Questions and Answers 100% CorrectSample MCAT Exam Chemistry Questions and Answers 100% CorrectSample MCAT Exam Chemistry Questions and Answers 100% C...

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  • September 15, 2024
  • 16
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • sample mcat exam chemistry questions and answers 1
  • sample mcat exam chemistry questions and answers
  • are chemical compounds with a chemical structure t

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Sample MCAT Exam Chemistry
Questions and Answers 100%
Correct

are chemical compounds with a chemical structure that resembles the transition
state of a substrate molecule in an enzyme-catalyzed chemical reaction




(antagonist) - ANSWER - transition state analogs.


only count the carbons with different groups


2^n to find where n= number of chiral centers - ANSWER - stereoisomers


[Ca2+][C2O42-] > Ksp




because calcium oxalate precipitates when [Ca2+][C2O42-] exceeds the solubility
product constant Ksp by definition - ANSWER - One of the main side effects of
prolonged use of Compound 1 is the formation of kidney stones composed of
calcium oxalate CaC2O4. Researchers used their knowledge of the HIV protease
active site, and the metabolic pathways that lead to destruction of Compound 1, to
design and synthesize several derivatives of Compound 1 in an effort to modify its
properties and increase its potency and half-life.




Why do kidney stones form in some individuals treated with Compound 1?

,A.
[Ca2+] + [C2O42-] > Ksp
B.
[Ca2+][C2O42-] > Ksp
C.
[Ca2+] + [C2O42-] < Ksp
D.
[Ca2+][C2O42-] < Ksp


electric field lines exit from positive and enter negative charges.


(+) -----> (-) - ANSWER - electric field lines go which direction


Axons at rest have negative membrane voltage, meaning that the intracellular side
is negatively charged and the extracellular side is positively charged. Electric field
lines go positive to negative, so the arrows need to point into the axon.


Efflux of potassium ions causes current, which induces a magnetic field. - ANSWER -
resting membrane potential


A.
insulate the axon from the surroundings.




The purpose of myelin sheath is to assist with the propagation of nerve impulses. It
functions in this capacity by insulating the internal cytosol from the extracellular
fluid. When the nodes of Ranvier open in response to stimulus, the resulting
depolarization can only be transmitted along the axon since the myelin sheath is
insulating. Pertinent information can be obtained from Table 1, by comparing the

, electrical properties of nonmyelinated to myelinated axons. - ANSWER - One
function of the myelin sheath is to:


Use Ohm's law (I=V/R)


in the case of a action you are needing


Potential, resistance per unit length, and length
To determine R, the resistance per unit length, the length, and the potential V are
needed. - ANSWER - required to calculate the current


pH = - log [H3O+]


so pH= 5 - ANSWER - The hydrogen ion concentration of the unknown aqueous
solution was 1 × 10-5 M.




What was the pH of the unknown aqueous solution?


weak acid.


Dissolves does not equal dissociates


because the hydrogen ion concentration for this solution is greater than 1 × 10-7
but much less than the concentration of the unknown compound itself. - ANSWER -
unknown aqueous solution was 1 × 10-5 M.
A researcher attempted to identify an unknown AOm(OH)n compound. The
compound completely dissolved in water and weakly conducted electricity. The
hydrogen ion concentration of the unknown aqueous solution was 1 × 10-5 M.

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