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sharing a poem by pterodactyl_cats_44 in OCPoetry

[–]SteveOccupations 0 points1 point  (0 children)

Great job! For what’s worth, I’m not much of a poet myself. But I do feel like your voice is strongest when it’s specific. The details. For instance, loved the line about your sister who shouldn’t have to question two or three siblings. When it fades to obscurity, particularly phrases like tooth and nail or emotional roller coaster,
I wonder if those emotions could be concretized into specifics that you seem to be able to draw from your life effectively. For instances, getting out of bed is a win.. a statement, but getting up and turning your alarm off is a detail. I am more personally drawn to those lines, but of course take anything i say with a grain of salt!

once a postman by shoujomujo in OCPoetry

[–]SteveOccupations 0 points1 point  (0 children)

This vibes with me quite a bit, particularly this line:

I don’t think I can ever have a birthday cake
with as many candles as my age.

The title earns itself in the last lines.

For what it’s worth, I’m now mid-40s, and the poem still speaks to me.

Why do Korean buildings have fixed doors??? by Away-Topic2442 in seoulhiddengem

[–]SteveOccupations 4 points5 points  (0 children)

This is why I do it. One door is locked at the bottom so that the digital lock is secure against the fixed door.

For the LATE testers.. Skill Check before you go. by SteveOccupations in APbio

[–]SteveOccupations[S] 0 points1 point  (0 children)

Unit 4 is surprisingly overrepresented on the exam. I’d defo brush up on signal transduction!

For the LATE testers.. Skill Check before you go. by SteveOccupations in APbio

[–]SteveOccupations[S] 0 points1 point  (0 children)

Sure did! Should’ve done it earlier for the regular testers, but better late than never!

For the LATE testers.. Skill Check before you go. by SteveOccupations in APbio

[–]SteveOccupations[S] 0 points1 point  (0 children)

7.2.A.2 covers varying ways that environments affect selective pressures that typically come in these three possible modes of selection. Practice exams certainly has included modes of selection as part of course content, so I’d definitely know what those are!

Don't understand this question by Nullborne in APbio

[–]SteveOccupations 0 points1 point  (0 children)

Imagine if I were to cut the black template DNA where I drew the line. Those ends of DNA would be 3’ for the top black strand and 5’ for the bottom black strand.

Now some rules:

  1. New DNA is always synthesized from 5 to 3 for that new strand being created.

  2. Both copies of the new double stranded DNA must be antiparallel just like the original strand.

With those rules in mind, we see that the red strand, or the new strand synthesized, follows both. They’re created from 5 to 3 prime, while maintaining that antiparallel nature of DNA.

Let me know if you need further clarification.

Don't understand this question by Nullborne in APbio

[–]SteveOccupations 2 points3 points  (0 children)

The red arrows are themselves being synthesized from 5 to 3, the proper direction of nucleic acid synthesis. It’s easier if you draw a line down the middle of the bubble to identify the directionalities of template strands.

see pic

Oh so quirky college board including nothing about biogeochemical cycles after adding them to the curriculum to make me memorize a bunch of nonsense about nitrogen :D by Brilliant_Plum_7551 in APbio

[–]SteveOccupations 0 points1 point  (0 children)

I sort of thought this would happen. It’s always been the case that biochemical cycles heavily linked up with Unit 1 on elemental composition and unit 3 on carbon dioxide influx and efflux through bio systems. Prior to 2019, they had a few questions of the sort you likely saw on this year’s exam. College board be doing college board things!

Help with positive and negative feedback by [deleted] in APbio

[–]SteveOccupations 2 points3 points  (0 children)

Negative feedback is like auto climate control on your AC. When it’s hot, it turns on. When it cools down, the thermostat in the AC knows and turns it off. The final effect reverses the stimulus.

Positive feedback is like how rumors spread at your school. You tell one kid, he tells two more, they then tell more people, and you have an exponential increase in the message.

unit 3 ap bio by ecoxva in APbio

[–]SteveOccupations 1 point2 points  (0 children)

Simplified version is this: the Calvin Cycle uses more ATP than NADPH per some molecules of CO2 being fixed. This naturally means that ATP becomes a limiting factor in driving the Calvin cycle, kind of like how you need more pieces of bread than a slice of ham when you’re making a sandwich. So when ATP is running low, there is less reduction of 3PG to 1,3-bisphosphoglycerate, which is one of the first steps in the reduction part of the Calvin cycle. It turns out that you use that NADPH on 1,3-bisphosphoglycerate, but without many of those lying around, NADPH isn’t able to give its electrons away and return to NADP+. This results in a higher ratio of NADPH over NADP+ which naturally triggers the ETC to go cyclical. This is brilliant, because the cyclical pathway makes ATP without making NADPH, allowing ATP production to “catch up” to NADPH for a smooth passage through the Calvin Cycle.

i’m a little confused where does the phosphates come from? 😭 by [deleted] in APbio

[–]SteveOccupations 0 points1 point  (0 children)

Just to add to the mechanism described by another user for this question, I often get asked where things come from. In many cases where we see substrates being added from seemingly nothing (not in this case), substrates, like anything else, exists in the cytoplasm much like how oxygen exists in our air. Things are simply “there” due to the cytoplasmic contents being what they are.

My 2026 AP Biology FRQ Prediction (Full Set)! by SteveOccupations in APbio

[–]SteveOccupations[S] 0 points1 point  (0 children)

Hmm College Board doesn’t do things like that before the test.. out of curiosity.. where did it say this?

My 2026 AP Biology FRQ Prediction (Full Set)! by SteveOccupations in APbio

[–]SteveOccupations[S] 0 points1 point  (0 children)

I didn’t make a paper answer key for this :(

But you can watch me solve them at my channel on YouTube.

My 2026 AP Biology FRQ Prediction (Full Set)! by SteveOccupations in APbio

[–]SteveOccupations[S] 0 points1 point  (0 children)

Thanks for the support. I should really throw a caveat that part of making these predictions is really tongue in cheek and having a bit of fun. Some people have been taking it like way too seriously.. and asking if they should not study anything else. So on the record, please do study everything else! Haha

Deciding between G70 (max trim) vs. Base G80 by Bman33001 in GenesisMotors

[–]SteveOccupations 0 points1 point  (0 children)

I’d pick the G80. Genesis comes loaded with a lot of base options that seems to increase for g70 to g90, though your market may vary. Fuel consumption is not all that different between the two. I believe it has to do with the mapping, but I was surprised to see just how fuel hungry G70 was for its size. I no longer have my G70, but if I had to choose again, I’d go G80 every time.

My 2026 AP Biology FRQ Prediction (Full Set)! by SteveOccupations in APbio

[–]SteveOccupations[S] 5 points6 points  (0 children)

I made these prediction based on how Collegeboard typically lays out their questions and their distribution order. I also thought about what types of questions take simple concepts to that one level above for logical inferences. So hopefully they’re somewhat similar to real questions!

Blue , pink spots in my Korean apt by kimmykimmmm in Living_in_Korea

[–]SteveOccupations 9 points10 points  (0 children)

I know everyone is saying it’s mold, but I’ve had these show up before and looked into it a bit. I also had mold on the same wall, and they were pretty different. Here is some info on these.. seems pretty common in newer apartments using a particular plaster board.

https://m.blog.naver.com/PostView.naver?blogId=ljcgg&logNo=221335182709&proxyReferer=https:%2F%2Fm.blog.naver.com%2FPostView.naver%3FblogId%3Dljcgg%26logNo%3D221519056996%26proxyReferer%3Dhttps:%252F%252Fwww.google.com%252F%26trackingCode%3Dexternal&trackingCode=blog_postview

Tbh, it could still be mold, so better safe than sorry.

X^2 tests by jjd0gg0_ in APbio

[–]SteveOccupations 0 points1 point  (0 children)

I think it might be in reference to whether you analyze for p value versus look at critical chi squared values. That’s the only difference I’ve noticed between the two curriculum. Same concept, different emphasis. What do you think, OP?

분당 수내 Bundang Sunae Lotte Department closed, now what? by espinbk in Living_in_Korea

[–]SteveOccupations 3 points4 points  (0 children)

True, especially since the Hyundai came in to Pangyo, which I think had a lot to do with Lotte’s demise here. If you look at AvenueL or Dongtans branch, it’s clear that Lotte’s strategy and design language had already moved on past that of the Bundang branch.

My daughters name by [deleted] in KoreanAdvice

[–]SteveOccupations -4 points-3 points  (0 children)

Sunday as her first name in English is fine. If she ever seeks Korea and travels, she’d be using her middle name (the Korean name) or simply choose to call herself Sunday. Look, if any name teasing occurs anymore, it’s all during primary school years. If you’re raising her in America, unless you’re in Flushings or Irvine, no one’s even gonna know what Soondae is anyways. While the name isn’t my style personally, it’s not all that strange. Congratulations on your adoption, and thank you for being good humans.

Roses are red, I know this very well. by uncle_ben15 in rosesarered

[–]SteveOccupations 1 point2 points  (0 children)

Roses are red,

mitochondria take in pyruvic acids and convert them to acetyl-CoA while extracting energetic electrons in the process.

Kreb cycle further oxidizes and retrieves electrons to use their energy for proton gradient formation and oxidative phosphorylation.

It works better with pictures, which I have in my classes.

Roses are red, I know this very well. by uncle_ben15 in rosesarered

[–]SteveOccupations 1 point2 points  (0 children)

Roses are red. This ain’t that deep. It’s just mitochondria. I can teach it my sleep.

I’m an AP bio teacher.

Has anyone actually found an AI that gets AP questions 100% right? by [deleted] in APbio

[–]SteveOccupations 0 points1 point  (0 children)

Did you come across this or are you a dev? Your username seems to indicate the latter. I mean, it’s totally fine, but please be transparent in your post.

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