Proteins: Tertiary and Quaternary Structure | A-level Biology | OCR, AQA, Edexcel

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[@MashySob]

at 2:24 you said that a hydrogen bond was an ionic bond... i guess they are similar... or am i being dumb?

[@MashySob]

@Ema Buckley oh yeah that makes sense if that's the case

[@rishiyadav9007]

The difference between hydrogen bond and ionic bond is that ionic bonding exists between anions and cations, whereas hydrogen bonds exist between partial positive and partial negative charges.

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So is this the entire course of A level biology? These 112 videos, are they covering the entire 2-year course?
btw brilliant video as usual!

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We're glad it helped! Keep up the good work! 💯

[@nazish47]

Thank you for this video.. it helped alot
However at 2.22 you mentioned that the ionic bonds only form between charged R groups. But in the AQA biology text book it says that the ionic bonds are formed between the carboxyl and amino groups. Im really confused plzz help mee out

[@adame2986]

Peptide bonds are formed between carboxyl and amino groups, which joins amnio acids together. Ionic bonds are formed between the R groups, which create the tertiary structure.

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[@claremarsh300]

Perfectly explained, thank you so much for helping with my revision!

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Legend

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5:17 i finally understand now

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[@sasirirananjaya7177]

Is protein fibers tertiary structure?

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Great explanation

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