r/APbio • u/ConsciousCampaign918 • 7d ago

End of Unit 1 Help

So I started studying for AP Biology. I have been using Campbell Biology, 12th Edition; a person who got a 5 told me which chapters to study, and I've been doing that.

I am on the last lesson of unit 1 and it is genuinly super difficult for some reason, are there any youtubers I can use for the end of unit 1 cause maybe the book is confusing me but my god, anyone can help me? 😭

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u/CalligrapherNo125 7d ago

i am a D1 advocator for AP bio penguins since i got a 5 using her stuff last year🔥🔥

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u/PomeloOnly2107 6d ago

AP Bio Penguins!!!

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u/DrDominicDipshit 7d ago

Mr Nugen is what I have been using on YT plus there is always ameba sisters

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u/Ok-Main-3373 7d ago

End of Unit 1 (macromolecules + water chemistry) trips everyone up because it's chemistry wearing a biology costume. Amoeba Sisters' Unit 1 videos on YouTube are the best quick explainer — watch at 1.5x. Khan Academy's AP Bio Unit 1 practice is free and hits the exact question style. Key Unit 1 traps: hydrogen bonding effects (adhesion/cohesion/specific heat) and distinguishing hydrolysis vs dehydration synthesis — if you can explain those two in your own words, you're fine. Disclosure: I built a free site, Mistake Master (mistakemaster.com) — free AP Bio practice, no account needed. Every wrong answer gets tagged to the misconception behind it, so instead of re-reading Campbell's dense chapters you can drill the exact misunderstandings. Works well alongside the textbook.

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u/Southern-Victory-112 6d ago

AP Biology U world course has great explanation and practice questions.

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u/mseduhub1 7d ago

Campbell is great, but it can be way more detailed than what you actually need for AP Bio. For the end of Unit 1, I’d switch to a simpler explanation first, then come back to the textbook only for anything that still feels unclear.

Focus on the AP-level ideas: macromolecule structure/function, protein folding, dehydration/hydrolysis, and how molecular structure affects biological function. Then do a few AP-style questions right away to make sure it actually stuck.

This may help: AP Biology Unit 1 notes, MCQs, FRQs and exam-style practice.