Topic 8 A level Biology - Learn the ENTIRE gene expression topic for A level in an hour!
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- Опубліковано 13 лют 2022
- Learn or revise all of topic 8 (Gene expression) for A level biology. I talk you through the fundamentals, but you can watch my other topic 8 videos for the full, in-depth details.
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crazy that im learning this for the first time the night before the exam
lmao same 😭
Yupppp
pulling an all nighter tn 😭
@@sharons7540SAME LOL
@@glass1541same here lmfao
Im officially failing this exam tomorrow
In two hours omg!!! nah we're gonna smash it, god willing any examiners that mark my paper are extremely drunk
sigh for real, esp unit 6 lord
not looking good brev
Crazy, cuz everyone who liked was also watching it rather than revising
mums were cooked!
Pray for me paper 2s tmrw and I’ve never even revised topic 6 or 8 before 💔
🙏🏻
GL bro
we need people like you for these grade boundaries
for anyone here for tomorrows paper 2 don’t worry i will personally be lowering the grade boundaries for u 😍
Ill try by best to lower it even more
how did itgo
This HAS to be the hardest topic, I've been going through this video bit by bit for like almost a week now!
Hardest?! I think this is the easiest!!
@@fefunkey3808 Its easy content wise but ALOT of remembering. :(
Just boring mate module 5 and 6 mainly 6 are hardest
I agree hardest topic so far! (Apart from respiration oh my gosh)
@@Celeste_51 respiration easy compared to this
2:23 mutations
6:52 stem cells
9:08 transcription and translation
18:28 gene exp and cancer
25:46 using genome projects
28:03 recombinant dna
50:21 differences in DNA between individuals of same species
54:40 genetic fingerprinting
marry me
🙌
thanks
I appreciate you
soo behind on this paper and i also have an english exam tomorrow😔dreading it
literally in the exact same position, i haven't revised at all for english today 😭hopefully we will both be fine
@@ellad43yeh same. Icl I’m cooked
I honestly was looking for a video that sums up all of gene expression and here it all is >_< Thankyou so much
awww perfect timing!!! Really hope it helps 😀
thank you i hate this topic so much! by far the hardest!!
Really hope it helps you learn to love it 😄
You are a legend - this video is amazing, you have really simplified the topic for me!!
Thank you!!!! So pleased it helped simplify it all for you 😀
Thank you so much, I really appreciate your hard work :)
Ah thanks! Hope you liked it and it's helped!
the sheer dedication on this! kudo miss
Thank you!!
great videos miss estruch, thank you for your help!
I have finished the whole series :)
Time to do the same thing for chemistry
P.s. thank you so much, you have no idea how much your videos help
I'm so pleased you have found them helpful and wow for managing to watch all of them!!!
@@MissEstruchBiology XD just a bit of time before and after meals
What channel do you use for chem? Gimme rn
@@elliesmith7518 allergy chemistry is really helpful :) he does a few exam boards and runs through all topics
Allery* chemistry sorry ahah
Thank you! I understand this a lot better now.
Amazing 😁 So glad it helped
i wanna scream 😊
relatable
same girl..
For aqa is this literally everything we need to know
Yes, it's all of the theory. It doesn't include application, required practicals or maths skills though.
This series is awesome
Thank you so much
You're so welcome!!! Really glad you like this series
Great video! For the marker genes, I though that if the plasmid was taken up by the host cell then they will express GFP or they will be resistant to the antibiotic as they contain the marker gene (instead of disrupt the gene so it isn't expressed) or is it the opposite way round?
Hey its the opposite way round, as explained in the video..However, read the exam questions carefully to see the information given on where the DNA fragment is inserted.
you're amazing thank you!!!!
awww thank you
Hello, thank you for this video! I have a question - at 36 minutes you talk about the modifications being made so RNA polymerase can work properly. Why is it RNA polymerase, not DNA? What is the RNA polymerase being used for? Thanks!
DNA polymerase is used for semi conservative replication ONLY. whereas promoter initiates TRANSCRIPTION hence only transcription factors and RNA polymerase can bind to promoter. If DNA polymerase binds to the promoter it will technically inhibit the binding site of the promoter
@@stressedoutkid2415 thank you, that makes sense!
is this ok to use for edexcel b
Hi miss! at 47:00, are we meant to insert the enzyme gene into the plasmid? isn't it meant to be that the plasmid would already have the gene that codes for lactase and we're adding our DNA fragment to it to see if it disrupts the lactase? It does say that on the image you inserted but the text says otherwise... just checking with you if you see this!
at 46:26 how do we know that the bacteria which aren't fluorescing even took up the plasmid at all
Now time to procrastinate again till the night before paper 3
thanks for this
You're welcome!!! I hope it helps 😁
At 46:40 is it colourless to blue or blue to colourless?
the text says from colourless to blue so thats why im confused
thanks a lot for the vid btw, its a life saver 😭
from colourless to blue, if the fragment is present then it stays colourless as it stops the lactase gene, however if the fragment is not present then it will turn blue as the lactase gene will work
Do we need to know the antibiotic resistant marker genes names?
no, it's an application example
I apologise that my comment is not related to this video. But I wanted to ask in regards to the ELISA test, which is explained in the Monoclonal Antibodies video. After adding the second antibody are you supposed to wash again to remove any unbound antibodies because I believe that that was not included in the method of performing the ELISA test
Yea u wash after the second one otherwise when u add the substrate next it will break down regardless
@@vermillionxuxusss5801
How come that's not included in the video?
@Veer Pattni thats in the immunity video
Hello, yes you do wash after both additions. Hope that helps
topic 5 next please
hi miss, do aqa students not need to know about gene therapy?
Hi, sorry this may be a stupid question but is oestrogen binding to a proto-oncogene to cause cancer just a completely random occurrence? Thank you for making these videos as well they are really helpful:)
how much of this is included in the advanced information?
Quite a lot. Gene expression is on paper 2 and gene technologies on paper 3
To clarify: When do you use DNA polymerase or RNA polymerase? (how to remember the difference?)
(Might be a good TikTok video)
DNA polymerase = for DNA replication
RNA polymerase = for transcription
Hope that helps 😊
hi miss, what unit will you be uploading next?
I've posted a poll to let you all decide 😊
Cheers lad have a good en
haha right back at you
in 46:36 what if it isn't glowing because it hasn't taken up the plasmid? sorry
Nice video
Thank you!
This is actually so so helpful thank you so much!
I'm so glad!
Hi miss can you do all the other topics you have not done
Hello, yes 😊 I'm doing one per week
@@MissEstruchBiology ty
@@MissEstruchBiology hey Miss thank you so much for your videos, which topic will you be doing next?
@@robyntappern7637 I'll put it to a vote!
is this for aqa?
hey yeah it is
I got an idea, how bout you make a video for each paper with only the stuff on advanced information
haha its like you've seen my diary! That's coming in a month
MediiiiCoach getting the recognition
Did u manage to sleep with any white girls in uni?
@@saddish2816 huh
@@basset5889 ?
Topic 2 next? Or 4
Potentially 2!
u not interested in topic 5? makes up a lot of paper 2 and paper 3....
no timestamps 💀
this looks painful
😆😆 Imagine what it was like making it
Gene technologies is easily the worst topic 🥲
it's a tough one!
@@MissEstruchBiology You make it easier though, thank you so much 🥰
Nice video
Thank you!