I'm a undergraduate in Japan. Your English is easy to catch and recognize. The flow of this video is easy to understand. I thank you to create such a good video. I am looking forward to see your next video.
Wow. Please change your name to “Professor Dave Saves the Day”. This will be the third class you’ve helped me study for. I don’t know what is about your videos, but they are seriously incredible for an advanced student with ADHD. I always brag on them and share them with peers.
I'm a sophomore in highschool and in biology we took a biochem basics test and I made a 40 and it's worth 50% of our grade, we get to retake it tomorrow and your videos are making me confident I'm going to pass
Professor Dave is the only person who can explain a topic with deep information and never stop us from learning.. Sir really thanks ur patience and best explanation...
Thank you for making a video where you SPEAK on a subject that I searched for. So many videos on amino acids are just musical power points with no narration. I don't want to sound like a dumb tool, but when I visit UA-cam it isn't because I'm itching for a good read. Much appreciated!
Thank you teacher... i have always been concerned about chemistry and biochemistry but now with this lectures i hope to understand them better... please keep uploading this kind of videos you make a difference in our life.. !!
Thank u professor ❤️.. I have small problem.. I can't get understanding all the vid because I don't speak English very will.. I need Arabic translation please ❤️.. I understand 75%..
I didn't know any of this stuff, I take L-Phenylalanine, L-Arginine, L Ornithine and L- Lycine with Niacin, C and glycine and sometimes I do take them with a tall glass of apple cider vinager and water. Now I have to re learn everything I thought I knew. Thank you so much. I very rarely eat meats so I take these and they energize me is the main reason I take them. They also help me to think. I do drink two glasses of the acv mix so my system stays non acidic or so I thought. Thank you, again.
So we have this huuuge chemistry exam we have to pass to be accepted for further medical school and without Professor Dave I would not be on my way to become a doctor anymore haha :D Thank you so so so much!
I was wondering why Nitrogen in the amino group has a lone pair which makes it basic. Thinking that it makes the amino acid unstable. Thank you Professor Dave, for explaining that that's how amino acids react.
Nitrogen has 4 orbitals and 5 electrons in its valence shell. Since each orbital can hold at max 2 electrons, N has one full orbital and 3 orbitals w/ 1 electron each (these are the ones that make bonds so that N 'feels like' it has a full (8 electrons) valence shell. The orbital that is already full is that lone pair and since it has a partial negative charge, that makes it slightly basic because that partial negative charge can attract and hold onto a positive H+ ion.
At the end of the video, how was alanine protonized AND deprotonized at the same time? Right before that Professor Dave said it could be either of the two states depending on the pH of the environment.
Every time I want to learn something I fall into these endless rabbit holes. I just wanted to know what a protein is and what a vitamin does. I still don't, but now I'm aware that I also don't understand what an enzyme is, what carbohydrates are, or amino acids, genes, DNA, RNA, organic compounds, the inner works of cells. Man... I need a few dozen lives just to grasp the slightest nip.
The substitution of a single amino acid in a cell receptor might have a significant effect on the receptor's structure and function. Can you explain an example. How about disease were a receptor is affected?
Haha all those students like me out there.... isn't it amazing. Sometimes it is just so difficult to even try to understand what the teacher is saying in class. Then we'd be rushing around UA-cam looking for saints like P.Dave
Your are really good in teaching We small small students need u very much Plz cover whole topic in detail so that we have a deep knowledge of the topics
@3:14 there's a switch in the amino group of the zwitterion (H2N to H3N). In this sense, the cationic form should be understood as when the carboxyl group being protonated [as opposed to what was said @3:03]. Is this accurate?
@@ProfessorDaveExplains Thanks for the prompt response. Quick follow up: if the *amino group* being protonated is what gives it the positive charge, why is it that the difference between the cationic and the zwitterionic forms is found in the carboxyl group (COO- in zwitterion to COOH in cation)? Wouldn't the tacked on proton to the carboxyl group be the main factor yielding the positive charge?
Hey i study in pharmacy college and now i am in 3rd stage, i am sure that when i finish pharmacy and get graduated if someone asked me what did you learn in college i will definitely say “He knows a lot about science staff with professor Dave Explains. Haha thank you so much.
Would an acidic solution not favour the anionic form? Since the excess protons in the acid will then be able to neutralize the anion. Great video by the way!!
well acids protonate things, so if there's lots of acid around, it will protonate whatever's in there. bases deprotonate things, so with lots of base, everything in there is deprotonated.
@@ProfessorDaveExplains alright so basically in an acidic solution the zwitterionic form of amino acids gets protonated, leading to the formation of the cationic form, hence the acidic sol favoring the cationic form.
+Professor Dave Explains There would be also the stereospecific Schöllkopf method. I asked about Amino acid synthesis (Gabriel, Strecker, schöllkopf) and deconstruction (for example hofmann) in an Email but i guess it landed in your Spam folder :( anyways keep up the awesome work
Your videos are extremely helpful for my science classes. Have you considered creating a PROFESSOR DAVE EXPLAINS app? I think it would be a very popular app!
interesting, i hadn't really thought of that. i have no idea how to build apps or what it would look like at all, but i guess i should ponder that a little! thanks for watching, pretty please have all your students subscribe :)
You really should. There are app-builder websites that seem easy and free (or pretty cheap) like appy pie. I have no affiliation with them, FYI. Looks like you can use a template, paste in links to your youtube playlists and it builds it for you. Good luck and thanks for putting in all this work.
Amazing basic start ... I have a question , do amino acids are only related to proteins out of all other biomolecules ? Or other biomolecules like carbohydrate lipid etc also made up or contain of amino acids ?
Thank you for explaining some difficult concepts. If only I had these videos back in the day. These kids these days have it so easy with the internet man. To everyone reading this: God loves you and has a unique purpose for your life!
@professordave I've looked on your page but can't seem to find it. Do you/could you do a video specifically on pH & Amino acids? Protonation vs. deprotonation when looking at pH of solution and pKa of the functional group etc. ie. To determine the structure or charge of any amino acid: • If the pH of the solution is LOWER than the pKa of the functional group, the functional group will be protonated. • If the pH of the solution is HIGHER than the pKa of the functional group, the functional group will be deprotonated.
I'm a undergraduate in Japan. Your English is easy to catch and recognize. The flow of this video is easy to understand.
I thank you to create such a good video. I am looking forward to see your next video.
omg is Tony Stark still alive?
"Well you're not wrong"
Got it😉?
R u native or a foreign student 😊
And I'm back again after 2 years. I passed chemistry and biochemistry because of this brilliant man!
This would be my testimony 😊
@@NazaAtisele Good luck🥰
Manifesting i hope me too
Wow. Please change your name to “Professor Dave Saves the Day”. This will be the third class you’ve helped me study for. I don’t know what is about your videos, but they are seriously incredible for an advanced student with ADHD. I always brag on them and share them with peers.
"Professor Save Daves the Say"
@@thinginground5179 HAHAHA
Thank you Professor Dave, for being the father that I never had.
Im both happy and sad 4 u m8
why i feel sad....
@@erichvombunkers6226 because it is
Wierd
@@Sonofiraq24 *weird
Check your spelling before roasting people who are sad.
I'm a sophomore in highschool and in biology we took a biochem basics test and I made a 40 and it's worth 50% of our grade, we get to retake it tomorrow and your videos are making me confident I'm going to pass
congrats on graduating
@@rexwarren7814 thank you!
Professor Dave is the only person who can explain a topic with deep information and never stop us from learning..
Sir really thanks ur patience and best explanation...
Thank you for making a video where you SPEAK on a subject that I searched for. So many videos on amino acids are just musical power points with no narration. I don't want to sound like a dumb tool, but when I visit UA-cam it isn't because I'm itching for a good read.
Much appreciated!
thanks for the kind words!
I'm a USF student and you're my go to guy when I can't remember something or need to re-learn it. Thank you!
wich usf there are like 25
Elias Farah Tampa, Fl campus
@@amypineda7134 oh ok thanks
Ehimy Pineda prayers for your USF organic chem journey. I’m a survivor myself.
Thank you so much for doing this. You are truly a good teacher
Am
Vital amino acids. For damaged DNA,,, , .
god sent jesus to earth to teach us some chemistry
uhh no
There’s something MORE dense than a glacier, it’s your head
LOL, That was a good one! ^_^
That is, because god is a chemisist. He made us of amino acids in a lab called:
Show more.
no. He sent Jesus on earth to die for our sins.
Turn up. Used you for Orgo and now going straight into Biochem with your guides
Thank you teacher... i have always been concerned about chemistry and biochemistry but now with this lectures i hope to understand them better... please keep uploading this kind of videos you make a difference in our life.. !!
you bet! thanks for watching!
Thank u professor ❤️.. I have small problem.. I can't get understanding all the vid because I don't speak English very will.. I need Arabic translation please ❤️.. I understand 75%..
good explanations... my biochemistry knowledge keeps on growing through watching your posts... from Tanzania
Thank you so much for these helpful lectures. They all make my preparation for med school entrance exam astoundingly less frustrating!
I work in IT and I'm pretty sure this is what the users hear when I try to explain to them how to connect to VPN
It's like he's speaking a different language. I got to study chemistry first.
Hey from Florida, you explain things so well thank you!
He truly helped me pass my college term 1 and ere I am passing term 2 because of him too
I didn't know any of this stuff, I take L-Phenylalanine, L-Arginine, L Ornithine and L- Lycine with Niacin, C and glycine and sometimes I do take them with a tall glass of apple cider vinager and water. Now I have to re learn everything I thought I knew. Thank you so much. I very rarely eat meats so I take these and they energize me is the main reason I take them. They also help me to think. I do drink two glasses of the acv mix so my system stays non acidic or so I thought. Thank you, again.
great explanations, made easier to understand with illustrations.
Thank you soo much for this! First time taking chemistry courses and it can be tricky!
So we have this huuuge chemistry exam we have to pass to be accepted for further medical school and without Professor Dave I would not be on my way to become a doctor anymore haha :D
Thank you so so so much!
Hi Professor Dave
Thanks for your extensive research in the field of biochemistry and your thought imparting resilience.
ধ
Thanks from Italy, you're awesome Dave
I was wondering why Nitrogen in the amino group has a lone pair which makes it basic. Thinking that it makes the amino acid unstable. Thank you Professor Dave, for explaining that that's how amino acids react.
Nitrogen has 4 orbitals and 5 electrons in its valence shell. Since each orbital can hold at max 2 electrons, N has one full orbital and 3 orbitals w/ 1 electron each (these are the ones that make bonds so that N 'feels like' it has a full (8 electrons) valence shell. The orbital that is already full is that lone pair and since it has a partial negative charge, that makes it slightly basic because that partial negative charge can attract and hold onto a positive H+ ion.
@@fishcious hmm...
Your english is really easy to catch and understand, you're helping me quite alot, thank you from Brazil.
I really love the way you explain. Thank you!!!
Ow good!
a few days ago, i got obsessed with skin care, then i ended up here
thank you professor dave, i didn’t know the difference between them. this was very informative & cant wait to see the next video.
At the end of the video, how was alanine protonized AND deprotonized at the same time? Right before that Professor Dave said it could be either of the two states depending on the pH of the environment.
Thanks Professor Dave, your videos are helping me in Biochemistry.
Great stuff and explained in the simplest way . Thank you very much Professor Dave.
Disliker are hater of studying such awesome teacher thanku sir from pakistan 🇵🇰
Love from India you've got a new subscriber😍
This is awesome man! Thanks!
i love how you stand so awkwardly but your voice is so expressive. highly quality videos and explanations thank you so much!!!!!!! 🙏🏼🙏🏼🙏🏼
hey i'm not standing awkwardly! i just don't feel the need to make superfluous gesticulations :)
ভাল
He is your bf?
Cant get much better than this. Thanks!
Love from India. Thank you so much sir for better explanation..
Every time I want to learn something I fall into these endless rabbit holes. I just wanted to know what a protein is and what a vitamin does. I still don't, but now I'm aware that I also don't understand what an enzyme is, what carbohydrates are, or amino acids, genes, DNA, RNA, organic compounds, the inner works of cells. Man... I need a few dozen lives just to grasp the slightest nip.
Zwitterionic... Now you're just making up words 😂
my major is Biochemistry and this is helpful :))) thank you
wow it was better than any thing i have read or seen
The substitution of a single amino acid in a cell receptor might have a significant effect on the receptor's structure and function. Can you explain an example. How about disease were a receptor is affected?
i talk a lot about this in my DNA damage tutorial! i go through the different kinds of mutations and how they might affect enzyme/receptor function.
Thank you
Thank you for making and sharing this video!
Interesting, thank you Prof Dave, however, I never learnt about chemicals in the body at school, so still trying to understand Amino-Acids
Haha all those students like me out there.... isn't it amazing. Sometimes it is just so difficult to even try to understand what the teacher is saying in class. Then we'd be rushing around UA-cam looking for saints like P.Dave
This is the best! Thank you so much Professor!!
Your are really good in teaching
We small small students need u very much
Plz cover whole topic in detail so that we have a deep knowledge of the topics
Thanks
You're way better than my professor!
beautifully explained .simple and Intresting 😊
my biochem teacher wasnt the greatest this year thanks for this professor
Thank you, sir. I really like your explanations. And hello from Russia. :)
I am so grateful to you!!!! I would be able to complete my MA without you!
very good teacher
@3:14 there's a switch in the amino group of the zwitterion (H2N to H3N). In this sense, the cationic form should be understood as when the carboxyl group being protonated [as opposed to what was said @3:03]. Is this accurate?
the carboxyl must also remain protonated, but the amino group being protonated is what gives it the positive charge
@@ProfessorDaveExplains Thanks for the prompt response. Quick follow up: if the *amino group* being protonated is what gives it the positive charge, why is it that the difference between the cationic and the zwitterionic forms is found in the carboxyl group (COO- in zwitterion to COOH in cation)? Wouldn't the tacked on proton to the carboxyl group be the main factor yielding the positive charge?
But carboxyls are not positively charged they’re neutral
@@ProfessorDaveExplains Ah! I was blind to that. Thanks for your help as always!
So close to a million subscribes, good luck!
Glad your back man keep up the good work! Greetings from brazil
Thank you for breaking it down so simply and I love visuals!
Yeah!!
Hey i study in pharmacy college and now i am in 3rd stage, i am sure that when i finish pharmacy and get graduated if someone asked me what did you learn in college i will definitely say “He knows a lot about science staff with professor Dave Explains. Haha thank you so much.
Would an acidic solution not favour the anionic form? Since the excess protons in the acid will then be able to neutralize the anion. Great video by the way!!
but acids protonate things! so any basic functional groups will be protonated by an acid, and you get the cationic form.
+Professor Dave Explains i want ask can i men hair &horse hair convert to imuno acid rply plzzz
amazing videos, just had a quick question. why does an acidic solution favor the cationic form? and the same with basic solutions and the anionic form
well acids protonate things, so if there's lots of acid around, it will protonate whatever's in there. bases deprotonate things, so with lots of base, everything in there is deprotonated.
@@ProfessorDaveExplains alright so basically in an acidic solution the zwitterionic form of amino acids gets protonated, leading to the formation of the cationic form, hence the acidic sol favoring the cationic form.
yep that's right
@@ProfessorDaveExplains alright perfect thank you sm for the help, really appreciate it
what part/s of our cells make the non essential amino acids?
there are various enzymatic pathways for their biosynthesis
One of the most attractive class
The best lesson ever...although u need some interacts moves to make viewers more interested to u
Thanks I have understood well
Thanks for the video. You're a good speaker and presenter of the information.
thank you for this your videos have been helping me a lot preparing for the gamsat exam :)
You are the best. You look too young for a proffesor tittle but surprisingly you deserve it and you are the best.
So much better than khan academy. Great explanations in simple terms.
Ikr? That channel is great but too slow sometimes
thanks Mr Dave for your clear explination.you're awesome!😍
Thank you Professor Dave for your video, I am a medical student from a developing country. I appreciate you so much for your video.
Guy doing his best .....
Congratulations for the channel. I think it would be nice if you put numbers at the videos so we can follow an order in the ideas.
they are all in order in my playlists! find them on my home page.
Thanks.
What are some tips for Amino Acid synthesis? The next chapter we are working on focuses on synthesis-- Is it straight forward?
hmmm, like biosynthetic pathways or laboratory stuff? i'll look into it!
Biosynthetic pathways! I think it's the use of gabriel synthesis and strecker synthesis to make amino acids?
ah yes, gabriel and strecker are the only two i'm familiar with! would have to refresh my memory.
+Professor Dave Explains There would be also the stereospecific Schöllkopf method. I asked about Amino acid synthesis (Gabriel, Strecker, schöllkopf) and deconstruction (for example hofmann) in an Email but i guess it landed in your Spam folder :( anyways keep up the awesome work
sorry about that! email again if you like! i will look out for it.
Your videos are awesome
Thank you for sharing your amazing knowledge with us 😀
Can you also tell the degree of amino acids of ESSENTIAL AND NON-ESSENTIAL amino acids?????
Your calm unlike my teachers
'He knows a lot about science stuff... professor Dave explains'
I really like it:)
When I see a Professor Dave video come up with the same title as what I searched, I throw up my arms in victory.
You technically pronounce "zwitterion" wrong. It is german.
this was awesome!!!!!!!!!!!!!!!you explained it so well
Great work im just curious about biochemistry
Your videos are extremely helpful for my science classes. Have you considered creating a PROFESSOR DAVE EXPLAINS app? I think it would be a very popular app!
interesting, i hadn't really thought of that. i have no idea how to build apps or what it would look like at all, but i guess i should ponder that a little! thanks for watching, pretty please have all your students subscribe :)
You really should. There are app-builder websites that seem easy and free (or pretty cheap) like appy pie. I have no affiliation with them, FYI. Looks like you can use a template, paste in links to your youtube playlists and it builds it for you.
Good luck and thanks for putting in all this work.
"Zwitterion" sounds like something out of a Roal Dahl book! 😅
Very interesting, never knew those even existed!
Pleas translat all your videos into arbic because its very useful thank you 😊
This is so really good.
Thank you!! 😁👍🏽
please make videos on polymers and environmental chemistry
I really need to say thank you, you are a life saver
Is there any easy way to remember the difference between coding DNA, non-coding DNA, template and non-template..... it's all very confusing to me.
PROFESSOR DAVE, YOU ARE THE BEST!!!
Dave is my guardian angel 🥲
Amazing basic start ...
I have a question , do amino acids are only related to proteins out of all other biomolecules ? Or other biomolecules like carbohydrate lipid etc also made up or contain of amino acids ?
Thank you for explaining some difficult concepts. If only I had these videos back in the day. These kids these days have it so easy with the internet man. To everyone reading this: God loves you and has a unique purpose for your life!
You are sooo smart, Prof Dave! Thank youuuu!
What do you mean?
Sir DAVE is always helpful to students!!.....tq sir
Wow. Absolutely brilliant explanation
@professordave
I've looked on your page but can't seem to find it.
Do you/could you do a video specifically on pH & Amino acids?
Protonation vs. deprotonation when looking at pH of solution and pKa of the functional group etc.
ie.
To determine the structure or charge of any amino acid:
• If the pH of the solution is LOWER than the pKa of the functional group, the functional group will be
protonated.
• If the pH of the solution is HIGHER than the pKa of the functional group, the functional group will be
deprotonated.
Hello can you now update the lesson since it was no longer 20AC but 22AC, selenocysteine and pyrrolysine is the number 21 & 22
💗💗 love your explanation,your videos are the best!!
Love you Professor!Thanks for you greats classes!