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PCAT Practice Question #1: Biology
What is the inheritance pattern of the observed trait indicated by the pedigree below?
A. Autosomal recessive
B. Autosomal dominant
C. X-linked recessive
D. Cannot be determined
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PCAT Practice Question #2: General Chemistry
What is the oxidation state of each nickel on the reactant side of the following reaction?
2 NiO(OH) + Cd + 2 H₂O 2 Ni(OH)₂ + Cd(OH)₂
A. -2
B. -1
C. +1
D. +3
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PCAT Practice Question #3: Organic Chemistry
Given the following reaction conditions, which statement is most accurate?
A. The reaction follows first-order kinetics and is a concerted reaction.
B. The reaction follows first-order kinetics and involves formation of a carbocation.
C. The reaction follows second-order kinetics and is concerted.
D. The reaction follows second-order kinetics and involves formation of a carbocation.
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PCAT Practice Question #4: Organic Chemistry
(R)-1-Fluoro-1-iodopropane is reacted with NaN₃ in HMPA. Which of the following is the major product of this reaction?
A. (R)-1-Azido-1-fluoropropane
B. (R)-1-Azido-1-iodopropane
C. (S)-1-Azido-1-fluoropropane
D. (S)-1-Azido-1-iodopropane