Amino Acids (Part 3): pH and Pka | Biochemistry for MCAT, DAT, NEET

Amino Acids (Part 3): pH and Pka.
Amino Acids Classification | Biochemistry MCAT..
This is video #3 in the series.
In video #1, we discussed the difference between proteogenic vs non-proteogenic amino acids.
In video #2, we talked about classification of amino acids.
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After spending hours trying to actually understand this concept, this truly is without doubt THE BEST video ever made on this topic. You are a life saver!

[@MedicosisPerfectionalis]

Thank you so much!

[@stephenosunde7904]

"Before you freak out, it's easy" Felt like you were speaking directly to me🤣

[@shannonhigginss]

Love your use of humour to help keep things light-hearted.

[@MedicosisPerfectionalis]

Thank you!

[@rachel32396]

The relationship between pka and pH has been bouncing around my mind for weeks but didn't quite make sense, and it finally clicked with this video! Thank you!!

[@MedicosisPerfectionalis]

I am so glad! Thank you so much for watching!

[@matysteven]

Greetings from Spain, you are the best biochemistry teacher I've ever seen on KZbin!!

[@MedicosisPerfectionalis]

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[@am.b.1552]

Thanks for this video! I'm currently studying biochemistry (finished 1st course medicine and after 2 months will be 2nd) and this helped me a lot. I got the main point after I watched it only once. I'll wait for the titration. Have a nice day!

[@MedicosisPerfectionalis]

Thank you 🙏 Good luck 🍀

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You are literally the best thing on earth. THANK YOU!!!!

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Thank you ☺️

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Just wanted to drop in and say, that this explanation of the dreaded Acid-Base properties of amino acids just magically clicked! Thank you so much :)

[@MedicosisPerfectionalis]

My pleasure! Please help me by sharing my videos with others!

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[@MedicosisPerfectionalis]

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[@cardiyansane1414]

Finally understand this pka PH protination business 😮‍💨 thank you 🙏🏾

[@MedicosisPerfectionalis]

My pleasure!

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[@MedicosisPerfectionalis]

You’re very welcome 😊 You'll find more videos in my “Biochemistry MCAT” playlist!

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[@qinrui_tqr]

Thank you so much for the detailed explanation, really helped me in my studies! At 11:28mins, was there an error in the label for fully protonated? Should it have been no charge instead? The most right hand side label! Thank you!

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Hoping he answers because I also see this error but am unsure if it is one...

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I’m confused about Tyrosine, is it polar or non-polar? +Does (Aromatic) necessarily mean non-polar?

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Hello teacher! I have a question but it is not related to this video. My question is what does steroid sparing mean? Thank you

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I've never heard of that concept. It literally means: "without using steroids". Other than that, I have no clue!

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Hiding 😶‍🌫️

[@cherrrriii]

I don't get why we need to make the environment's PH equal to the PKa of the drug, why can we just make the drug turn into a non ionized molecule?

[@TaufiqulHuque]

Not pronated or depronated, but proTOnated and deproTOnated

[@MedicosisPerfectionalis]

You’re correct!

[@TaufiqulHuque]

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[@davesahar]

Are sulfur containing cysteine and methionine hydro Phil or phobic? What about aromatic PhE, tyr, trp or alcohol ser and thr?

[@theresahfosuah3869]

Sulfur-containing cysteine and methionine are hydrophobic amino acids. Aromatic amino acids such as phenylalanine, tyrosine, and tryptophan are also hydrophobic. Serine and threonine are polar amino acids with hydroxyl groups that make them hydrophilic.

[@OHMfgs]

thank you so so much!

[@MedicosisPerfectionalis]

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When will be the titration video out?

[@MedicosisPerfectionalis]

In a few days!

[@azca.]

2:27 🗣️ - the intensity and speed change here have me creasing 😂

[@MedicosisPerfectionalis]

Haha 😂 Sorry!

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Can we do it for 1st year mbbs

[@rowidasaleh8963]

From where can I find the pka number of all groups?? 😅

[@drtao8325]

is this even high school chemistry. cuz it feels like high school chemistry but seem like uni biomed stuff

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"order from chaos". Witcher

[@janellefranco629]

11:50 😂❤

[@Zidanlooei]

pk what is the abberivation?

[@MedicosisPerfectionalis]

“Potentia Konstant” or “constant power” or something like that :)

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[@MedicosisPerfectionalis]

Glad it was helpful!