dat biology

This video walks through a DAT-style Hardy–Weinberg equilibrium problem and shows how to approach population genetics questions efficiently on the DAT. Key points covered: How to identify when Hardy–Weinberg applies Calculating allele and genotype frequencies Common mistakes students make on...

In this video, Dr. Jim Romano explains the reticuloendothelial system and how it is tested on the DAT and OAT. The focus is on macrophages, phagocytosis, and immune system function—areas that commonly confuse students in DAT Biology. This explanation is useful for students using the DAT...

#DAT Question of the Day.... Identify the structures indicated by the arrows. a) Secretory granules b) Ribosomes c) Lipid droplets d) Lysosomes e) Glycogen granules Correct answer: B — Ribosomes Ribosomes are essential cellular machines responsible for protein synthesis. They translate...

Blood flow and blood vessels are high-yield DAT Biology topics that show up repeatedly on the exam. In this short video, Dr. Jim Romano explains how blood moves through arteries, veins, and capillaries, and how vessel structure relates directly to function — exactly how this material is tested...

Genetics and Punnett squares are high-yield topics on the DAT and OAT Biology sections. In this video, Dr. Jim Romano walks through inheritance patterns and Punnett square reasoning the way the exam expects you to understand them — focusing on conceptual clarity, not memorization shortcuts...

DAT Question of the Day Alcohol consumption affects multiple neurotransmitter systems. After several drinks, which of the following will be decreased? a) GABA b) Serotonin c) Glutamate d) Dopamine e) Endorphins f) None — all increase Correct Answer: C) Glutamate Alcohol increases...

These hormone associations are high-yield DAT Biology and absolutely fair game on the exam. If you know these concepts cold and pair them with the 2026 DAT Destroyer, you put yourself in a strong position to break into the 500+ range under the new DAT scoring system. 📘 Dr. Romano’s Biology...

Which of the following proteins is devoid of a quaternary structure? A) Myoglobin B) Keratin C) Hemoglobin D) Immunoglobin E) Collagen F) Two of these G) None of these (See answer below.) Correct Answer: A) Myoglobin Explanation: Myoglobin does not have a quaternary structure because it...

DAT Question of the Day Which of the following does not describe a globular protein? a. generally function in structure and support roles b. hemoglobin is an example c. often function as enzymes or transport proteins d. peptide chains folded into spherical shapes e. water soluble Correct...

🎥 Biology video from Dr. Jim Romano: In this lesson, Dr. Romano explains the difference between decomposers and detritivores — two essential ecological groups that recycle nutrients and maintain balance in ecosystems. This is a high-yield topic that often appears on the DAT and OAT Biology...

If you’re struggling with Biology on the DAT (or haven’t taken it in a while), don’t go it alone. Dr. Romano — creator of the DAT Destroyer — offers free help every day inside our Facebook Study Group, including: ✅ Daily Bio questions along with Organic Chemistry, General Chemistry and Math...

Here’s a quick DAT Biology concept that shows up all the time — the difference between homodonts and heterodonts. 🦈 Dr. Jim Romano, creator of the DAT Destroyer, breaks it down in under a minute with his signature clarity and speed. 📘 Study Smart. Study Destroyer. 🧠 Trusted by pre-dental...

Jamielynn shared her honest experience using the DAT Destroyer to prep — and her results speak for themselves. If you're feeling overwhelmed, stuck, or not sure which resource to trust… this might help you see what's possible. 📘 Study Smart. Study Destroyer. 🧠 Trusted by pre-dental students...

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:) Hi all! I took my DAT a few weeks ago and just finished my AADSAS application. Now that I have some time on my hands I thought I'd make this in-depth post sharing my prep and experience in case it helps anyone out there. Here are my scores that I'm pretty happy with: 25 AA [27 TS] 25 PAT /...

Just wondering if anyone has any logical preference of 1 set of notes over the other or any previous posts have covered this topic thx

Hi guys. So I went through all of cliffs and feralis, and some questions from the destroyer are extremely detailed and go into biochem and specificities of different diseases... I'm sort of freaking out about it... how do I go about the questions that I have no idea how to solve? Do i just make...

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Hey Everyone! So I have been reviewing for the DAT that i take in about 3.5 weeks. Biology tends to still be my lowest score. Does anyone have any good ways for studying biology? I am not great with reading the Ferralis notes and find myself easily distracted and do not retain much. Also is...

Hey Guys, I was wondering if somebody has done this and can possibly tell me which dat destroyer bio 2016 questions correspond to the concepts in the ap bio cliffs book. Basically just wanted to know if I read chapter 2 in cliffs which is on chemistry what questions can I do in destroyer...

Hi guys, so I'm taking the DAT on June 28th and I've been studying for the DAT since May 8th. I've pretty much got all of chem, qr, ochem down but I'm struggling with bio. I've gone through chapters 1-8 in bio and I have them down as far as memorizing and understanding the material. I'm having...

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Hi all could someone please explain why in DAT bootcamp there is a question referring to the major extracellular and intracellular buffer systems and bootcamps answers are: Extracellular = bicarbonate Intracellular = phosphate but when i took the 2009 dat practice exam doing biology question...

Hey guys I wanted to seek your opinion on supplementing cliffs with "Kaplan MCAT Biology Review Second Edition" has anybody tried this and succeeded by doing so for the biology section. In my opinion I am just finding cliffs to dry!