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  1. DAT Destroyer

    DAT DAT Quantum Numbers Question | DAT General Chemistry | DAT Destroyer | OAT Destroyer | Dr. Jim Romano

    Can you answer this DAT General Chemistry question before going to Slide 2? Quantum numbers are a frequently tested topic on the DAT and OAT. Understanding how electron configurations relate to the four quantum numbers can help you answer these questions quickly and accurately on test day...
  2. DAT Destroyer

    DAT Tachyphylaxis Explained | DAT Biology Question | DAT Destroyer | OAT Destroyer | Dr. Jim Romano

    Tachyphylaxis is a rapid decrease in response to a medication after repeated doses, often caused by receptor desensitization or downregulation. This is a classic high-yield pharmacology concept that DAT students should understand clearly for Biology and physiology-based questions. Students...
  3. DAT Destroyer

    DAT DAT Question of the Day: Thiol Acidity and pKa Shift | DAT Destroyer | OAT Destroyer | Dr. Jim Romano

    DAT Question of the Day Before scrolling to the explanation, try solving this DAT-level question. The striped skunk is widely known for the highly odoriferous defensive secretion it uses to repel predators. One chemical in the secretion is a four carbon thiol. If another compound was found...
  4. DAT Destroyer

    DAT DAT Question of the Day: Hemiacetal Recognition in Sugars | DAT Destroyer | OAT Destroyer| Dr. Jim Romano

    #DAT Question of the DAY…. In addition to the alcohol functionality, what other group is present? a) Ether b) Ester c) Acetal d) Hemiacetal e) Anhydride f) More than one of these !! g) None of these ! D is correct ! The lower right side of these molecules has a hemiacetal group. In...
  5. DAT Destroyer

    DAT DAT Question of the Day – Taxonomy Quick Quiz!

    Today’s DAT Question of the Day is inspired by three of our summer students — Milana, Natalee, and Adina (see their avatars below!): What Phylum do they represent? a) Homo sapien b) Primate c) Eukaryota d) Mammalia e) Chordata f) Animalia Post your answer below before peeking! (Second image...