Comment on "Now everyone will have an easy reference table at hand!"

ArbitraryValue@sh.itjust.works ⁨3⁩ ⁨months⁩ ago

• ornery_chemist@mander.xyz ⁨3⁩ ⁨months⁩ ago

  Phosphorus, sulfur, …?

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  • ArbitraryValue@sh.itjust.works ⁨3⁩ ⁨months⁩ ago

    I don’t like to talk about cysteine.

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    • ornery_chemist@mander.xyz ⁨3⁩ ⁨months⁩ ago

      Image

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      • PlantDadManGuy@lemmy.world ⁨3⁩ ⁨months⁩ ago

        Accurate username 🤣

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• The_v@lemmy.world ⁨3⁩ ⁨months⁩ ago

  My undergrad biochemistry course was taught team taught by a microbiologist and a molecular biologist because the biochemist got fired for sexually harassing a few students.

  The molecular biologist was a cool guy and taught concepts. I got an easy A in that section.

  The next few weeks were taught by the microbiologist. That asshole wanted us to memorize a ton of different pathways on our second midterm (cyclic acid, fermentations, photosynthetic, MAPK etc…). Something like 20 total. I took an F on that one.

  Luckily the final was a standardize test that all universities in the state used that year. So I ended up with a B.

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  • ArbitraryValue@sh.itjust.works ⁨3⁩ ⁨months⁩ ago

    I don’t understand the “memorize the pathways” style of teaching.

    I’m not one of those people who says “Why memorize anything when you can look it up?” That doesn’t generally work because (1) you need to know that a fact exists at all before you can look it up, (2) a lot of problem-solving is done by your subconscious, which of course can’t look up anything, and (3) often you can’t see the big picture until you have learned enough of the pieces, even though learning the pieces seems like arbitrary memorization while you still don’t know enough of them.

    However, I don’t see any point in memorizing lists of arbitrary alphanumerical protein names. Knowing the pathway’s purpose, inputs and outputs, and any key intermediates is sufficient. I can’t think of any scenario where a pathway isn’t the focus of your research but being able to recall the names of all the enzymes and the order in which they act (as opposed to looking them up) is useful.

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• lengau@midwest.social ⁨3⁩ ⁨months⁩ ago

  In astrophysics it’s even easier.

  Hydrogen, other.

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  • ArbitraryValue@sh.itjust.works ⁨3⁩ ⁨months⁩ ago

    God must really love hydrogen.

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• wise_pancake@lemmy.ca ⁨3⁩ ⁨months⁩ ago

  Do you guys have to memorize fluorine too?

  It’s been a decade since I took chemistry, and I did not get very good marks in it, but it seems like the elements at the bottom of the table (with exception to Uranium and Plutonium) are just hanging out while the top elements do all the work.

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  • ArbitraryValue@sh.itjust.works ⁨3⁩ ⁨months⁩ ago

    Fluorine is extremely rare in biological systems. (I was going to say “never” but I looked it up and apparently there are a couple of exotic compounds that have it.) However, fluorine is a component of many man-made drugs and poisons. Halogens are generally not incorporated directly into bio-molecules, with iodine in thyroid hormones as an important exception, but chlorine plays a very important role in biology as a free, negatively charged ion.

    Some heavier, metallic elements in the form of ions are necessary for the function of many enzymes, but biological systems can’t work with chemically bound metals the way that human technology can. I looked up what the heaviest element with a biological role is and the answer is apparently tungsten (although I’ve never come across an enzyme incorporating tungsten during the course of my work) but even heavier metals can act as poisons by taking the place of lighter, catalytically active metals in enzymes.

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  • captainlezbian@lemmy.world ⁨3⁩ ⁨months⁩ ago

    If it’s too big to be created in self sustaining fusion it’s too big to give a shit about.

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    • ornery_chemist@mander.xyz ⁨3⁩ ⁨months⁩ ago

      But… but… muh thulium…

      jk all lanthanides are the same don’t @ me physicists

      also Ce(IV) catalyst stans also also total synthesis tryhards who think SmI2 is ever the right call

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