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  • PCAT Practice Question #1: Biology

    What is the inheritance pattern of the observed trait indicated by the pedigree below?

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    A. Autosomal recessive

    B. Autosomal dominant

    C. X-linked recessive

    D. Cannot be determined

  • 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

  • PCAT Practice Question #3: Organic Chemistry

    Given the following reaction conditions, which statement is most accurate?

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    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.

  • 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?

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    A. (R)-1-Azido-1-fluoropropane

    B. (R)-1-Azido-1-iodopropane

    C. (S)-1-Azido-1-fluoropropane

    D. (S)-1-Azido-1-iodopropane