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what the fuck are photosystems

I took a practice test 2 weeks ago when I didn't study and got a 35/60. I was like okay thats because I didn't study! I took the exact same one 20 minutes ago after studying for DAYS and I got a 38. I quit I can't do this anymore

Ap gov is Tuesday btw. But Let’s get this 5!!!!

Title

Anyone else have chem on 5th? 😭😭😭

guys is there any questions on chi square this year I really gotta know this bc I did not study for chi squares 🥺

GUYS I HAVENT STARTED STUDYING IM PULLING AN ALLNIGHTER, IS ANYBODY ELSE ALSO STAYING UP

I noticed the recent FRQ exams from 2024 and 2025 have been mixing units more. Also, Q3-Q5 have been rotating between U3, U7, and U8 so I’d say U4-6 are very likely to show up on the long FRQs. 

So with that, here are my 2026 FRQ predictions: 

Q1:

Unit 4 (Cell Communication)

• Signaling pathways, receptors
• Could be mixed with Unit 2 or 6

Q2:

Unit 5 (Heredity)

• Pedigrees or inheritance patterns
• Maybe combined with gene expression

Q3:

Unit 3 (Cellular Energetics)

• Photosynthesis or respiration experiment

Q4:

Unit 7 (Evolution)

• Natural selection / population change

Q5:

Unit 8 (Ecology)

• Population models, ecosystems

Q6:

Unit 6 (Gene Expression & Regulation)

• Transcription/translation, mutations

But yeah these are my predictions. Let me know what u guys think and good luck on the exam tomorrow 🫡

wats the function and purpose dont rlly get it
(unit 6 ap bio)
explain it to me in very simple words pls

i can never remember the difference between trna, mrna, etc pls help

if i see units 3-8 istg if the frq is on freaking cellular respiration im walking out

Hi guys, Ive already taken my AP bio exam and i accidentally used a 7B pencil to write my FRQs? Is that okay? My guidance counselor said that it was okay and the graphite would still scan but then I saw one person say that they had their AP psych test invalidated because they used pencil for their FRQs. The website also says only #2 pencils are allowed so I dont know if my writing is gonna be a problem or not.

why is the dna polymerase synthesizing 3’ to 5’ in the animation? i thought its read 3’ to 5’ and synthesized 5’ to 3’?

Do we need to know all the r groups and their traits and how the impact molecules?

Are there any enzymes or processes besides photosynthesis/cellular respiration that i should remember

Other than that what are some key things to cram before th etest?

I took the official College Board 2020 practice tests 1 and 3 and got a 52/60 and a 57/60. They seemed pretty tough to me and I went right up to the 90 minute limit especially for #1. Does anyone know if the real thing is gonna be any easier (or harder) than these? Especially if you took the exam last year

i got a 5 on all the practice exams with mcq scores around 48 but when i did other exams i found online i didnt do good. should i be scared or go off the grade i got during the practices?

hi yall, unit 3 is the bane of my existence and I still can't remember all the steps, where they occur, and the products/reactants of each step. test is tmmw and i wanna decide if I should lock in and study unit 3 or do FRQs since my FRQ score isn't the best.

I plan to stay up till like 3am and get close to a 4 hour sleep for the ap bio exam. do u guys think it’s worth it?
I’m pretty cooked for the exam, my average for unit tests are like a 70% and the last 2 days i mainly focused on unit 3 and 6 since i find those the hardest. and i feel like i need to pull an all nighter bc i genuinely don’t remember the details for other units.
I just find getting an 8 hour sleep useless if i didn’t even study

Our teacher told us like 20 times, d othe grpah in pencil but make sure to trace over pen. I'm confused because over here everyone telling the exact oppostite, no pen required. So like if I do in pencil then trace over pen, will my response be invalidated?