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Medical College Admission Test

Medical College Admission Test quiz

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Question 1 of 3Easy

In organic chemistry, what is a carbon-oxygen double bond called?

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30
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8
ELO tiers
Spaced repetition

More questions about Medical College Admission Test

These visible examples show the question style. LearnClash turns the full topic into ranked duels and spaced repetition.

  1. 1 Easy

    In physics, what work is done by forces perpendicular to displacement?

    Answer: 0 Joules

    Why: A satellite in a circular orbit shows it: gravity pulls at a right angle to the motion, so the speed never changes.

  2. 2 Medium

    In biology, which valve separates the left atrium and ventricle?

    Answer: Mitral valve

    Why: Its name comes from the mitre, a bishop's pointed hat, and it is the heart's only valve with two flaps instead of three.

  3. 3 Hard

    In chemistry, what is the oxidation state of oxygen in peroxides?

    Answer: -1

    Why: Each oxygen here sits halfway between its state in water and in oxygen gas, which is why hydrogen peroxide can either oxidize or reduce.

  4. 4 Easy

    In psychology, which sleep stage is associated with vivid dreaming?

    Answer: REM

    Why: During this stage the brainstem shuts down skeletal muscle, so the sleeper watches the dream instead of acting it out.

  5. 5 Medium

    In biochemistry, what is the net ATP yield from glycolysis?

    Answer: 2

    Why: Glycolysis runs in the cytosol and needs no oxygen, which is why mature red blood cells depend on it as their only ATP source.

  6. 6 Hard

    What is the standard registration fee for the MCAT in 2026?

    Answer: $355

    Why: The AAMC lists $360 for 2027 test dates, while Fee Assistance applicants pay only $145.

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