I´m in a masters program and we´re learning this too. We go a bit deeper with the promoter sequences, transcription factors and the different polymerases but overall, it´s the same XD.
I have no idea how you taught me something I've been studying for two weeks in 10 minutes and I understood perfectly. I wish you were my professor! Keep it up for the pre-med students please!!!
this was super helpful for learning this process! I am in awe of the creator God and his ability to make such a complex and beautiful process within such a small structure!!! Praise Jesus
Wonderful! I'm getting my UA-cam degree. I navigate from MIT to Harvard to UC Berkeley etc...all for free lol. I wish this were around when I went to school. Thank you for the wonderful videos.
Great video - thank you. I liked the very clear explanation of Ribosomal RNA (that it doesn't need anything else to code, compared to the DNA where it needs Helicase, RNA Primers, Ligase, etc.) I also really enjoyed learning about the difference between the mRNA in prokaryotes vs. Eukaryotes. It's interesing that the Introns do not have a specific purpose, so the mRNA, is made up of what's left over after the splicing takes place (exons) of that "pre- mRNA". Again - I greatly enjoyed this video, thank you!
Mr. Khan, you seem like an awesome human being to me. I really wish you could coach me in person. I got only 16 days left before my 12th grade final examinations start. Thanks a lot for doing what you're doing. That's really great work. Keep it up. I will donate when I am able to. ❤❤
Does anyone know if there is a way to get a print out of the diagrams and pictures he shows. The way he explains all the processes with those visuals really help!
Thank you so much for this video!! You're the best! Your handwriting is nice and the way you explain it is so much more interesting. I always have more appreciation of what we're learning because of the way you teach it in these KA Videos.
Since this video has been uploaded one thing has been discovered. In termination, right after the hairpin is formed a bunch of Adenine's are present in the DNA, this makes it so that A lot Uracil's are transcribed. The bond between A en U (also T) is quite weak, with only 2 hydrogen bonds formed. So the pre-mRNA falls off.
5:28 The RNA being transcripted has the same sequence as the coding strand (with the Uracil replacing Thymine), BUT they don't have "the same information". If the coding strand were being transcribed here, it'll give a different RNA sequence, therefore a different order of codons, which eventually gives different amino acids (different protein). So yeah, not the same information =)
Hi Mr Khan, thanks for the explanantion but can you explain on the process on how the cap and tail is added and their purpose in conversion of pre mRNA to mRNA?
It is mentioned in this video that the RNA Polymerase is more than enough to open the DNA and begin transcription. However, in my Kaplan biochem 2020 MCAT prep booklet it says that RNA Pol II is preceded by helicases & topoisomerases to address unwinding/supercoiling. So both work?
Umm no , I guess you are talking about the anti codon end of tRNA , in all types of RNA the Thymine is replaced with Uracil not only in tRNA but also in mRNA.
Awesome video, in general awesome videos. I study Applied Biology and it's great to have your videos and from there read further into the subject. Thanks a lot! (also, this is great for getting an overview since I have no idea how to get all the biology stuff in my head I need to know in three days)
this dude is so damn amazing.
His courses are free PLUS he hasn't any ads in his videos. Much Respect for this guy!
Khan academy is a non profit that you can donate to
Lol mines tc has all her vids in yt monetized 😂 doesn't even show up to class, just ask us to watch 15-18 vids per week
@@haiyun3251 I sporcate binips on weasel unit
This video is supposed to be for high school students and I'm a med student learning the exact same material 😂
Same haha
Sophie Van der Meer Well done on getting in, both of you. I'm hoping to.
And i thought i was alone xD
I'm a med student too and I wish that this would be enough for the molecular cellbiology exam but it's not even close :'( Great video btw
I´m in a masters program and we´re learning this too. We go a bit deeper with the promoter sequences, transcription factors and the different polymerases but overall, it´s the same XD.
the fact that you can digest all categories of subjects and then teach is mind boggling!
I know right
YYYEEESSS! Sal is a gift for all of us x
Maybe he just reads from a script?
@@jeromeyklein8838 Well, he did get a Bachelor of Science from MIT...
@@jeromeyklein8838 GFY
10 mins lecture > 5 hours lecture
Naw, TikTok brain.
I have no idea how you taught me something I've been studying for two weeks in 10 minutes and I understood perfectly. I wish you were my professor! Keep it up for the pre-med students please!!!
Anyone else feel the passion in his voice when he talks about these said topics?
if anyone wanted to know:
spliceosomes are what cut out sections from the RNA strand to remove the introns and leave the exons
Nerd
thank you i needed it for my vocab !!
@@schmidtythekidd i dont think he is a nerd tho, look at his pfp
@@KanekiKen-vm7zq your comment 😂😂
it's so weird how you always upload topics about exactly what i'm learning in class!
advanced biology/ chemistry topics don't change often so it would make sense
The AP bio and AP chem cuirculum dont really change or varry much school to school
it makes sense he would change his upload topic schedule to coincide with what kids are learning in class.
I never imagined that one day Khan Academy videos would become so nostalgic to me
I wish I would have found this while I was in microbiology, You explained in ten minutes what I couldn't even get from tutoring.
While this video was shared long time ago but still sooo benefical for biology students at college. This man literally the teacher all over the world
5:55-6:27 nothing you need to take notes on, but the reminder we all need! biology is amazing.
This man is single-handedly carrying the US education system
This person has helped me better understand chemistry, trigonometry, calculus, and now biology. He is truly amazing. He should be the dean of MIT.
6 years and this still save lives...
This is amazing! I found it hard to understand in class because of how shallow it was, but with more details it makes perfect sense! Thanks a lot.
same, this video is very clear o.O
this was super helpful for learning this process! I am in awe of the creator God and his ability to make such a complex and beautiful process within such a small structure!!! Praise Jesus
I like how you don't just pass on the material but also pass on the passion
Wonderful! I'm getting my UA-cam degree. I navigate from MIT to Harvard to UC Berkeley etc...all for free lol.
I wish this were around when I went to school. Thank you for the wonderful videos.
This helped me a lot to understand the processes in the different cells. Thank you a lot!
Great video - thank you. I liked the very clear explanation of Ribosomal RNA (that it doesn't need anything else to code, compared to the DNA where it needs Helicase, RNA Primers, Ligase, etc.) I also really enjoyed learning about the difference between the mRNA in prokaryotes vs. Eukaryotes. It's interesing that the Introns do not have a specific purpose, so the mRNA, is made up of what's left over after the splicing takes place (exons) of that "pre- mRNA".
Again - I greatly enjoyed this video, thank you!
There is no dead weight in nature. I'm curious to see the mystery of introns resolved.
@@aplus1080 I’ve pretty much forgotten everything about RNA and introns
This was really helpful for my last minute exam preparations ❤️❤️❤️ If it wasn't for youtube, I would've failed my uni exams.
thanks for my marks khan-academy!
I wish everything good for you, you just saved my exam! Thank you!
Givee meee your handwriting 😻😻😻 and you actually have the capability of pinnng whatever you teach into my head!!
This was so helpful for my university genetics class! thank you!
Mr. Khan, you seem like an awesome human being to me. I really wish you could coach me in person. I got only 16 days left before my 12th grade final examinations start. Thanks a lot for doing what you're doing. That's really great work. Keep it up. I will donate when I am able to. ❤❤
Me too as a fresh 12th grade student
His cousins actually prefer him in videos than him in person, maybe it's the system that allows him to be as good as a teacher he is today :)
I’m literally watching this before my exam please wish me luck
what did you get?
@@5tar-kat 34/50
I got a 75%. I hate biology 😂
God Is Great, May God Bless them all and you all and your families
Thank you for this. This was extremely helpful!
honestly as a hon bio student you save my life thank you
I'm Korean university student. This explainment helps for Test. Thanks.
Important to note that in eukaryotes the pre-mRNA processing occurs co-transcriptionally and not post-transcriptionally!
This video is very well done. Thank you I understood everything. I'm 14 and you explained it very well. ❤
I love how you get excited about the material. Makes us students much more engaged and excited too. Endless thank yous Sal!!
love that my professor for my 400 level biochem class assigned us to watch this video
RIP for Medved's exam, but this video made it much easier. Thanks and keep it up bro!
turns out helicases are involved in transcription after all
still a great video, keep up the good work Khan Academy, thanks!
Trust Khan Academy to provide more information than my government :D Thank you Sal, you're a real legend.
i don't know how many times throughout my biology career, I've had to rewatch this video
You should always remember that Biology is amazing. Yeah man it really is!!
i learn more from sal than i do from my own professors
Does anyone know if there is a way to get a print out of the diagrams and pictures he shows. The way he explains all the processes with those visuals really help!
you can always screenshot and crop into word doc instantly :)
Thank you for this tutorial...harpers is quite tedious to understand...this helps a lot
a whole lecture made ultra-clear in 10 minutes. thank you!!!
thank you, khan academy, once again for saving my biology grade
This dude seriously has a video for everything
i rememver watching this in high school and now im in my gap years. and im. still watching this
Thank you so much for this video!! You're the best! Your handwriting is nice and the way you explain it is so much more interesting. I always have more appreciation of what we're learning because of the way you teach it in these KA Videos.
Thank you soo much that was an 1.30 h lecture of nonsense that u just turned into the most interesting and understandable information in 10.24 mins
Since this video has been uploaded one thing has been discovered. In termination, right after the hairpin is formed a bunch of Adenine's are present in the DNA, this makes it so that A lot Uracil's are transcribed. The bond between A en U (also T) is quite weak, with only 2 hydrogen bonds formed. So the pre-mRNA falls off.
you should upload more of DNA/RNA in depth processes!!
Allah who made this incredible staff..
Thank you so much for the clear and "easy to understand" explanation.
Amazing sir and
made my day God bless you
2 yrs later i watch this once again! :))
Thanks for the great explanation 🌹
You are the best teacher I have ever seen
Wow he made it so simple
This video is really helpful The way he teach is very understandable Thank you so much. It helped me a lot.
You are very clear in your teaching Many thanks!
THIS is what's helping me to keep up with my bio class 😂
Thanks a lot, that’s what I need ♥️♥️♥️♥️
You’re amazing thank you teaching us all😁
5:28
The RNA being transcripted has the same sequence as the coding strand (with the Uracil replacing Thymine), BUT they don't have "the same information".
If the coding strand were being transcribed here, it'll give a different RNA sequence, therefore a different order of codons, which eventually gives different amino acids (different protein). So yeah, not the same information =)
With all these videos I don't think its necessary to go to school anymore
This is absolutely fascinating. Thanks for the great videos.
wish you were my instructor... i love your facination for this.
Thanks ❤️
From 🇱🇰
sal always makes me feel safe lol
omg amazing Thanks from very bottom of my heart
SUCH AN AMAZING VIDEO THANK YOU SO MUCH!!!!!
This recap is just what i needed!
Could you point out what MCAT stands for and what role it plays in this process?
Khan academy: You should be in AWE with this!!!
*Me: YAWNs
Biology: *am I a joke to you?
Love the enthusiasm!! Awesome video! The Audio kept cutting out about every minute or so on my end, not sure if it's just me or anyone else??
So what's keep the Exons from floating away from each other once the introns are spliced?
Your videos are amazing. Cannot possibly get any simpler. Thank you. You're a life saver.
I am so grateful for your videos! Thank you!
Hi Mr Khan, thanks for the explanantion but can you explain on the process on how the cap and tail is added and their purpose in conversion of pre mRNA to mRNA?
Gona kill my bio final. Thanks for the videos bro they've helped me so much. Very confident I'm going to get the A I need in this course!
M in 1st year medicine and m watching this coz it's very helpful 🤪😅🔥
It is mentioned in this video that the RNA Polymerase is more than enough to open the DNA and begin transcription. However, in my Kaplan biochem 2020 MCAT prep booklet it says that RNA Pol II is preceded by helicases & topoisomerases to address unwinding/supercoiling. So both work?
MAAAAAAAAAN love the way you teach!
Gene editing eugenics, using aborted baby cells and tissues also, GMO nanotech particles
at 5:19 why the T is replaced by U? I thought this happed in translation.
Umm no , I guess you are talking about the anti codon end of tRNA , in all types of RNA the Thymine is replaced with Uracil not only in tRNA but also in mRNA.
2:13 writing so that i can see it again
Nice. This makes so much sense now
realllllllllllllllllllllllllllllllllllllllllly huge thanks, you are great and amazing teacher
did you pre-draw all those shapes of ribosomes, DNA, and others?!?!?!?! that's insane
Thank you! That was super helpful and easy to digest!
I needed this exact video a year ago :'C
thank you very much.it helped me a lot for my exam today
Thank you so much! I'm gonna shed a tear.
thanks for helping on my Biology test!
''someone like me is going to give you these nice clean narrative'' is funny haha
Awesome video, in general awesome videos. I study Applied Biology and it's great to have your videos and from there read further into the subject. Thanks a lot! (also, this is great for getting an overview since I have no idea how to get all the biology stuff in my head I need to know in three days)
It’s in middle school our school teaches us about kids are born DNA and cancer how to get it how and how it works
So , we can say that RNA is single stranded because it transcribed from a single template strand of DNA?
Hi, thank you for your hard work, it’s an amazing lesson! But I don’t quite understand the way mRNA develops towards 3’ instead 5’? Thanks