#university level science

[aanews69]

All our links in one place:https://sleekbio.com/aanews69Visit our Patreonhttps://www.patreon.com/DNPLServicesWe deliver stories. We also give you guides, tip...

[phastels]

STEM resources🔬🪐🦠

Resources for STEM subjects ▪︎ A-levels ▪︎ IB ▪︎ University entrance exam prep ▪︎ STEM book reviews ▪︎CV help

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Articles to read

Sideroblastic anaemia

Rabies

Arctic Springtail

Biggest innovations in the biosciences

Topology

Story of the atom

Monkey see, monkey clone

Allergies

Genetic diagnosis with AI

[o2studies]

Calling all science students and enthusiasts!!

I would absolutely love to have a science-revolving passion project and I’ve narrowed it down to a blog/blog-type-website. I love learning about science but so rarely take the time to actually research the things that interest me. With being a high school student, exams and life this is quite a big task to handle for 1 person and I’d love others to contribute to this!

This is by no means a set plan yet, I’m just sharing a rough idea, so if you could please interact with this post or dm me if you would be interested in something of this kind. Even if you see this 5 months after this was posted (and hopefully a working project or at least WIP) still reach out if you’re interested.

You don’t have to be a great writer for this either nor fascinated about each and every science. My favourite is chemistry, but it would be nice if this project could incorporate the 3 main branches of science: biology, chemistry and physics. It depends on if people would be interested in reading something like this or participating in, and their preferred subjects. You could write about astronomy as a whole, or go into chemistry and analysing electronic configuration, talking about your favourite dinosaur bones in palaeontology, a passive behaviour analysis in psychology, or explaining how exactly scabs work in biology. These would probably be short to mid-length entries and 1/2 times a month.

But this is just my idea and how far I’ve gone with it, feedback is appreciated, there will be more updates to come (not too many until afer my exams in May tho), and I appreciate any reblogs to share this idea with others!

Hopefully a couple people would like to help out in this project and please ask questions if you have any (as a dm or ask) ^^

[unnonexistence]

one of my friends is a biologist & i was really amused hearing some of her stories yesterday because they put into context just how believable newt's kaiju drift is as Shit A Biologist Would Do. like my friend has personally met both a guy who got infected with a botfly larva and didn't do anything to remove it (because he just didn't mind), and another guy who identified a tapeworm species by intentionally exposing himself to it (he had it narrowed down to 2 species and needed to know if it was the one that would infect humans) (it was)

[consult-sherlockholmes]

Can you explain to me the chemistry behind the denaturation of enzymes and the process of allosteric and competitive inhibition?

First of all it's important to understand what an enzyme is. An enzyme is a protein, that catalyses reactions after binding to a substrate and then converts it or splits it. An enzyme has a very specific shape so it can bind to the substrate, it's like a key and a lock. The substrate binds to the binding site, and in the catalytic or active centre the reaction takes place.

This is important to understand denaturation: Proteins are made out of amino acids that are bound with peptide bonds. Proteins have several levels of structure: Their primary level is the sequence of amino acids, the secondary structures are folded structures due to interactions of the peptide backbones via hydrogen bonds, like alpha helices or beta sheets. The tertiary structure is folding of the peptides due to electrochemical interactions between different amino acids. Amino acids can have different charges due to their side chains, they can be positive, negative or neutral charged. So those charges will either attract or repel each other, putting the peptide chain in a certain three dimensional shape or conformation. In the quaternary structure several peptide chains come together to create a bigger functional unit (the enzyme) made out of subunits, they often also interact with ions (cofactors) as their catalytic centre where the catalysed reaction takes place. All those levels create the specific shape of the enzyme that is required to bind to their target substrate. So if those structures are changed in any way, it won't work anymore because it can't bind. Just reading it probably makes it difficult to understand, so here's a textbook graphic.

This shape can be changed by denaturation. A protein can be denaturated by heat, or changed pH or high salinity and other not optimal conditions. During those conditions like changed pH the interactions between the molecules and side chains do not work anymore because pH can change the charges of the sidechains, so secondary, tertiary and quarternary structures will be changed. When those structures are changed the binding site will change too and not resemble the lock anymore where the key substrate can bind, so now the enzyme is inactivated/inhibited.

Enzymes can also be inhibited (or activated) by regulatory molecules binding to the enzyme, inhibitors or activators. This can be a competitive inhibition, when the inhibitor binds at the same binding and active site and blocking it, making the actual substrate that should be processed unable to bind there. Like a lock that already has a key stuck in it, you can't put another key in there. Allosteric inhibition is when the inhibitor binds at another site, not directly at the active site where the substrate binds. But by binding to the allosteric site the conformation of the enzyme gets changed by chemical interactions, changing the binding site so the substrate doesn't get recognised anymore. A key can't be insterted into a lock that has been changed.

Inhibtion can be irreversible (making the enzyme dysfuntional for the rest of it's existence until it is degraded) or reversible.

[lightuponearth]

introduction post ✩‧₊˚

hello everyone, welcome to my silly little blog <3 i'm not new to tumblr, but it has been years since i was active so... anyways! i'm shifting from twitter to here and i would love to gain some mutuals and friends. here are a few things about me :)

basic info!

- she/her, asian, 18, estj - self-learning french + coding - bs hons in computer science, software engineering: second year

interests!

☆ all things girly and pink ☆ literature ☆ writing, i'm an aspiring novelist ☆ crocheting ☆ films ☆ philosophy

this blog is honestly more of an online diary but it's definitely going to be a mix of studyblr, codeblr, langblr, productivity, and self improvement content. also do expect some ranting from time to time and me rambling abt my interests lol

quick links!

daily logs | other posts coming soon <3

[smol-blue-bird]

today in insane anti-intellectualism: I just saw a post about how aspiring healthcare practitioners shouldn't take classes in biology and chemistry because those subjects are useless and bad. ????

[gloriousmonsters]

you know i know you can't say anything about someone you don't know for certain. and it's not polite to speculate too much about someone's person from their writing. buuuuut i am just going to say i would genuinely be surprised if C/huck Ti.ngle was not raised evangelist

[imabillyami]

Finally getting some writing and editing done 🫡

Gotta get that last chapter of I know it ain't easy on the road, so I can post the first part of that fic y'all voted for on the 14th!

[chevaliermalfets]

CATEGORY SEVEN AUTISM EVENT ON CAMPUS NEXT WEEK

[doeneb]

May j have your permission to put my oc(Miss Roslyn/Mary Roslyn) in the UniversityOfHome Au?

Of course! I don't have a lot of rules for it and you can be practically anything in the au!

Only rules so far:

• If you are a teacher please put a lanyard/ID on the character and have the school's "UH" logo somewhere on the outfit!

That's about it do far lol

But yeah go wild ❤️

(Remember to read the tags! I ramble in there so posts aren't too long and put information in there!)

[mochaandwinelover]

04-11/01 weekly recap

Highs

started college again, and as someone who's very big on structure and schedule, this was very relieving.

Did a lot of independent study, along with preparing for my exams next week (wish me luck!). I'd say this week has been super productive academically

Met up with my best friend today friend for the first time in quite a while, we had a good time and it was a good distraction from all the stress I've been getting from exam week coming up.

Lows

Sleep deprivation; I've been sleep-in for an average of just above four hours a night this week, which isn't healthy for anyone.

Eco-anxiety spiked due to all the news of wildfires in california

Overall, this was a good and productive week. I think I feel myself getting healthier while also prioritising my work.

P.S. regardless of how much work you've done this week, regardless of how many times you went outside, regardless of how little you believe this, you're doing a great job. Keep going. I'm super proud of you and thank you for being here. X

[muddiestpath]

DA:V Solas regrets spoilers

HAHAHAHAhaaaa! I hate all ancient elves, especially the Evanuris, & especially Solas.

So glad with Harding & Davrin in this scene! They said what I was thinking! (bonus Dwarven Rook option was MWAH chef kiss)

Solas spent so long bemoaning what happened to spirits & elves(spoiler they're the same thing to him), & completely dodged any mention of what he DID to titans/dwarves. (Yeah Mythal ordered it but still he has the backbone of an eclair when she's involved.)

Davrin pointing out Solas still doesn't regret what he did to the Titans, just that it made the blight. OOOoooo Solas you are so hatable.

[duckapus]

Obviously, due to the whole "Doofenshmirtz ruled the world for several years" thing, Second Dimension Norman Osborn never had a chance to try to make an army of giant mutant spiders that ended up being radioactive but otherwise normal spiders (yes, that's why the radioactive spider was a thing in Candace's universe. Keep in mind Norman is a Doof-style evil scientist there), so there's no Spider-man variant there. This does not stop Candace-2 from getting involved in Spidey Stuff because the resistance still has access to the "Other-Otherdimensionator" that Heinz built for Doof-2, and have made a significantly improved version of the handheld version Phineas and Ferb made. She mostly just shrugs off the fact that Candace-1 (and anyone who isn't OWCA-associated) can't initially remember her.

Meanwhile, Doof-2 can't figure out how to make his own Otherdimensionator, or replicate most of Heinz's other Inators, despite "objectively" being the more competent of the two, much to his frustration.

[oflgtfol]

“But no one actually ‘looks’ through [modern telescopes]. Margaret Huggins lamented the shift from gazing at the heavens to squinting at tiny patches of light. Now we’ve gone much, much further. In today’s astronomy, photons of light from the sky, along with the celestial secrets they contain, are picked up by electronic detectors, converted into digital data and crunched through impossibly complex equations by some of the most powerful computers on the planet. In 2016, bricklayer-turned-astronomer Gary Fildes described visiting Chile’s Very Large Telescope (VLT) in his best-selling book An Astronomer’s Tale. Incorporating four mirrors, each 27 feet wide, the VLT collects visible and infrared radiation and can distinguish points in the sky separated by less than a millionth of a degree. Here, at the forefront of today’s attempts to understand the stars, Fildes was struck by the sight of scientists hard at work in control rooms, eyes glued not to their telescopes but to banks of screens: ‘They didn’t look as if they had seen the real sky for days.’”

- The Human Cosmos: Civilization and the Stars by Jo Marchant

[crimson--freak]

Questioning whether I should drop one of my A-levels