GCSE Chemistry - Naturally Occurring Polymers - Polypeptides, DNA, and Carbohydrates #61

[@ekaterinakeyn1897]

OMG i cant stress how absolutly brilliantly you explain. Reccommend to everyone. Just wish you had something for English GCSE. :)

[@Cognitoedu]

Thank you Ekaterina!!! 🤩

[@vt.physics]

Another great vid! I love your style. Not many science channels out there like yours.

[@aryans9334]

Just one note: An amide link/bond is the bond between the hydroxyl group in the carboxyl group of one molecule and the amino group in another molecule. A peptide link is a specific type of amide bond that occurs between amino acids links, which holds together polypeptides.

[@kittipongscharussuriyong846]

Professional Indeed Mr.Aryan

[@idrk1507]

Thank you!!!

[@aaisharahman9883]

SUCH AN UNDERRATED CHANNEL!!

[@screenedmachine3287]

genuinely a life-saver, thank you for all your hard-work!

[@hunainitis]

I remember watching your video 2-3 years back for my O Level Exams and here I'm again watching you one day before my 12th Chemistry Exam, Thank you so much for all the work that you've put in, It's so so so helpful that I cannot even describe. Tysfm ❤

[@maryamchannel3566]

U mean A levels ? Or did u not continue a levels

[@sushmii11]

you have no idea how much this helped, tysm for this video!

[@Cognitoedu]

If you’d like to practise what's covered in this video, check out the lesson on the Cognito platform: cognitoedu.org/coursesubtopic/c2-gcse-aqa-h-t_7.17 - it's totally free, and has been built to make learning and revision as easy as possible. The main features are: - Lessons organised by topic, only the lessons relevant to your specific exam board and tier are shown. - Automatic progress tracking. Progress bars tell you what you’re doing well at, and what you need to spend some time on. - Practise quizzes so you can test your knowledge. You can quiz yourself on any combination of topics you like. - A huge number of fully-hinted questions that take you step-by-step through some of the trickiest calculations & concepts. - A comprehensive bank of past exam papers, organised both by year, and also by topic. Amadeus & Tom

[@aisha-uo9zs]

you guys are the best gcse vídeos out there! please never stop!

[@xxelxx7547]

I’m In year 8 and we’re doing this! so even tho it’s a video for GCSE it’s helpful for me so thanks!

[@mrdev19]

I guess you're with us now though

[@maryamchannel3566]

Damn what kinda school u in how the hell they making u do this in 8 here i am struggling in 10th

[@ah291]

THANK YOU SO MUCH FOR SAVING MY LIFE AAAAAAAAARRR

[@ah13.]

we kinda got the same name

[@miacabell7582]

thanks this really helped :)

[@taiwobrown2737]

Just one thing to note that then NH2 end of the amino acid is an amine not amino

[@haaanh.t]

amine group and amino group are the same

[@liamjones496]

this was sooo useful thank you! im pretty sure youre the king of saving us private candidates

[@Cognitoedu]

Thanks Liam, really glad we could help 😊

[@oscarguinane2184]

Very well explained, I found this video while trying to find another video on forming amino acids with an impact test - is that actually possible?

[@ibeasy6]

hello, love your videos:) it would be great if youcould start including if the given thing is also in cie igcse course

[@ahamayoisac]

I never agreed with the definition of polymer applied to DNA. Polymer by definition is a chain of identical molecules (monomers). DNA is not it. The backbone is, no argument but not the actual DNA molecule. Think about it, the basepairs are a code and never really repeat. Thats the whole point.

[@Yasmine-br7dk]

bruh i agree there's probably some explanation for it though?

[@obaydah761]

polymers isnt a chain of identical monomers, they could be different. Take polyesters for example, they are comprised of a chain of two different monomers, a dicarboxylic acid monomer and a diol monomer.

[@obaydah761]

i could be wrong as im still taking my gcses but this is my interpretation of it

[@worakornk1023]

LOVE your content!

[@jomassey4207]

Can any of these natural polymers be used post surgery to reduce adhesions?

[@Crashmat438]

Which topic is this from

[@ah13.]

how did u do in chem

[@gunakusal8321]

Fantastic vedio

[@anaa9687]

i love you

[@kingpizzapants]

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[@dylanholmes3072]

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[@Gabriel-zy6xv]

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[@EnglishFishBTW]

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[@helinadaniel7768]

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