AP Bio: Gene Expression - Part 1

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  • เผยแพร่เมื่อ 8 ม.ค. 2025

ความคิดเห็น • 39

  • @james5960
    @james5960 9 ปีที่แล้ว +195

    "If you study the electrical books you can be an electrician. If you study all of the fantasy books you can be unemployed." Part time teacher, full time savage.

  • @SuperGuitar360
    @SuperGuitar360 9 ปีที่แล้ว +130

    am i the only one dying cause he said
    "if you study the electrical books you can be an electrician, if you study all the fantasy books you canl be unemployed." lol

    • @JillianAcosta888
      @JillianAcosta888 5 ปีที่แล้ว +4

      I DIED

    • @KimChinolino
      @KimChinolino 3 ปีที่แล้ว +3

      @@JillianAcosta888 still dying in 2021

    • @toppy2300
      @toppy2300 2 ปีที่แล้ว +2

      @@KimChinolino still dying in 2022

    • @maxmaxa7516
      @maxmaxa7516 ปีที่แล้ว +3

      @@toppy2300even in 2023 😂

    • @JohanIgnatius
      @JohanIgnatius 9 หลายเดือนก่อน

      Even in 2024😂

  • @zashaa5713
    @zashaa5713 6 ปีที่แล้ว +24

    Thank you so much for making these videos. They have been such a huge help for my AP Bio class! I could listen to my teacher's lectures all day and not understand anything but you understand how to explain concepts in a way that students understand. Thank you!

    • @xur1317
      @xur1317 4 ปีที่แล้ว

      100% my teacher is garbage and just reads off of the college board PowerPoints that you can find online. I want to slam my head into the wall every class.

  • @lea-ns9cf
    @lea-ns9cf 5 ปีที่แล้ว +9

    Thank you so much for this! I have a 6 chapter (16-21) test/FRQ this week and I did not understand anything. Your videos have helped soooo much I’m actually comprehending the material.

  • @NostalgiaFPS
    @NostalgiaFPS 10 ปีที่แล้ว +9

    Very informative, helpful, and funny! Thank you!

  • @TheNinjaNuNu
    @TheNinjaNuNu 8 ปีที่แล้ว +6

    Thank you so much for making these videos!!!!!!!

    • @omaralfalasi4052
      @omaralfalasi4052 7 ปีที่แล้ว

      TheNinjaNuNu I

    • @xur1317
      @xur1317 4 ปีที่แล้ว

      This guy is great. My teacher just reads us a PowerPoint everyday using her monotonous voice. It’s terrible

  • @alexwalkon4069
    @alexwalkon4069 7 ปีที่แล้ว +4

    Mr J=THE MAN

  • @OnDaBeatBoy
    @OnDaBeatBoy 7 ปีที่แล้ว

    You are the greatest teacher!

  • @jolin2267
    @jolin2267 6 ปีที่แล้ว +3

    u r a gift from god

  • @MustafaAli-xh1nb
    @MustafaAli-xh1nb 9 ปีที่แล้ว +4

    You a real one

  • @MsRedBottomosity
    @MsRedBottomosity 8 ปีที่แล้ว +35

    I really like your videos but the intro gives me anxiety. I am 21 years old and afraid of your intro.

  • @verodiaz5625
    @verodiaz5625 ปีที่แล้ว

    is turning a gene "off or on" technically mean whether a protein which is coded by those genes is synthesized or not?

    • @ScienceWithJohnston
      @ScienceWithJohnston  ปีที่แล้ว +1

      Yes in a general sense, although not all genes code for proteins so there are some cases where the RNA is the functional end product.

    • @verodiaz5625
      @verodiaz5625 ปีที่แล้ว

      @@ScienceWithJohnston thank you!!

  • @smcheeto
    @smcheeto 3 ปีที่แล้ว +2

    Thanks

  • @joyyang9396
    @joyyang9396 5 ปีที่แล้ว

    at 3:18 you said the fewer products it can produce from the gene is better? why is it this way? isn't more products from fewer gene better?

    • @siri4597
      @siri4597 3 ปีที่แล้ว +1

      Ik it’s a year late lol but i might as we’ll say it for anyone else. Basically, if it produces less, it can produce the specific genes needed. If it produces too many genes, it’s possible that it will produce genes that are unnecessary and will just waste energy to make...hope that made sense idk

    • @joyyang9396
      @joyyang9396 3 ปีที่แล้ว +1

      @@siri4597 Thx buddy for bringing me back, appreciate it!

  • @alexfisher6512
    @alexfisher6512 4 ปีที่แล้ว +6

    Anybody from 2021??

    • @joettofficial
      @joettofficial 3 ปีที่แล้ว

      His videos are still effective!

  • @tyleroatzz5101
    @tyleroatzz5101 6 ปีที่แล้ว +1

    Is this from Campbell biology 9th edition?

    • @ScienceWithJohnston
      @ScienceWithJohnston  6 ปีที่แล้ว +2

      I originally did these based on the 8th ed, but I know the 9th and 10th are very similar (I have used materials from each). I haven't looked at the 11th ed yet to say but I suspect its about the same as well.

  • @brilynbrecka4301
    @brilynbrecka4301 7 ปีที่แล้ว

    These videos are great. However, which book is this following? In my book, chapter 18 is entitled “the genetics of viruses and bacteria”. The videos have followed along with everything else so far. And the study guide on the Campbell website is also off.

    • @insiya4561
      @insiya4561 6 ปีที่แล้ว

      After 2016, Pearson has changed it's style. However, Mr. J makes his own ways to learn the subject.

  • @anshulgattani2561
    @anshulgattani2561 3 ปีที่แล้ว +1

    yah screw fantasy

  • @01vibhuti
    @01vibhuti 6 ปีที่แล้ว +6

    Ap bio is hot