Introduction to cellular respiration | Cellular respiration | Biology

Introduction to cellular respiration | Cellular respiration | Biology | Khan Academy

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Introduction to cellular respiration, including glycolysis, the Krebs Cycle, and the electron transport chain.
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Пікірлер: 1 000

@mariannejasmijn8656 3 жыл бұрын

I seriously think you should get a Nobel Prize, you've changed education forever

@izzynobre 13 жыл бұрын

I literally didn't even finish watching the Report. I went over to the site thinking this whole online academy was a neat idea, and started finding videos about the topics I need to study for my test next week (pity I only found out about the Academy today). It's 1:56am and I'm studying Biology on the web for free. THIS is what those visionaries imagined the Internet would be one day.

@haarlemvan-delden5148 6 жыл бұрын

izzynobre care

@neuva_2117 4 жыл бұрын

OMG I just realized I was just 8 when u posted this comment... kinda weird

@doris4469 3 жыл бұрын

olha o izzy aqui hahaha

@woooghost107 3 жыл бұрын

@@neuva_2117 same

@arese- 2 жыл бұрын

Here 10 years later doing the Same thing. This is actually now integrated as part of my college curriculum (bio)

@alvinliu8756 6 жыл бұрын

who else was watching Crashcourse before this and because they didnt understand it, clicked on this video.

@_gloomi_5484 6 жыл бұрын

panquake ayye

@miagrundy6209 5 жыл бұрын

Yeet

@saimanideepkatta1423 5 жыл бұрын

@phenyo_4939 5 жыл бұрын

Me. That was too complicated

@lemonfridge5119 5 жыл бұрын

ayyyyyyyyyyy i just did that lmao

@abdulbaset2219 5 жыл бұрын

MITOCHONDRIA IS THE POWER HOUSE OF THE CELL

@chefoc1584 4 жыл бұрын

my teacher gave me a detention for saying that

@gracekuo8708 4 жыл бұрын

AHAHAHAH

@gracekuo8708 4 жыл бұрын

@@chefoc1584 fr AHAHAHAH

@neelgarud8655 4 жыл бұрын

That is incorrect

@Cod4Wii 4 жыл бұрын

Very important, thank you

@PaliPrince 8 жыл бұрын

We're all screwed

@LXXIV666 8 жыл бұрын

@danpt2000 7 жыл бұрын

did you flunk the test?

@angelaong1803 6 жыл бұрын

danpt2000 I think I am going to. have test on that tomorrow and can't understand what my teacher is saying.... 😓😓

@spectroxis6418 6 жыл бұрын

*Laughs at above for being idiots.* /\

@OmegaLink 6 жыл бұрын

I agree

@jessica6470 7 жыл бұрын

MY TEST IS TOMORROW! I'M TOO YOUNG TO DIE!!

@SWonYT 5 жыл бұрын

Why did no one politely tell this girl it was the wrong "to"? Yall wrong for that.

@gothgirl1331 5 жыл бұрын

Jessica Zhou sameeeee

@sophiadelgado9754 5 жыл бұрын

Sammy Williams She used the right "to"

@JMANGREEN 5 жыл бұрын

MY test was today

@SWonYT 5 жыл бұрын

@@sophiadelgado9754 you're right, I read the comment as "my test is tomorrow I'm going to die" because I thought it was a typo. My bad😂

@Adamolson 5 жыл бұрын

Anyone watching this before a test😂?

@doris4469 4 жыл бұрын

Everyone basically 😂

@shenoudamakar3431 4 жыл бұрын

😔😂

@Fatima-om5be 4 жыл бұрын

Mee😂😂

@moisesaguirre9453 4 жыл бұрын

I got a test in 20 min 😂

@Itswarmmy 4 жыл бұрын

I always do this technique

@jokkerdagoat 10 жыл бұрын

watching this because of finals anyone?

@aasnathrafeeq9672 7 жыл бұрын

yea its a saviour ofcos

@matz230 6 жыл бұрын

Ha. Im doing this because of a middle school project.

@dg798 5 жыл бұрын

It's easy if you firm a chart in your mind and learn it

@maryamalmahzaa6703 5 жыл бұрын

Ya mine is tomorrow

@amirajaber4149 7 жыл бұрын

Test tomorrow, I can't stop ✋ procrastinating. I need to focus

@onlyonemitch5049 5 жыл бұрын

I thought Indians didn't procrastinate

@esti3833 3 жыл бұрын

me getting confused at all the college test comments because we're studying this in ninth grade

@elena-gw3rf 3 жыл бұрын

lmao same

@angelaupton8043 3 жыл бұрын

Come back in 15 years as a mature age student and see how well you remember it....

@daisycolquitt354 2 жыл бұрын

trust me.. you wont remember this in four years

@artemischen4086 2 жыл бұрын

I just learned this few days ago and now I already forgot everything

@nasanti53gaming68 2 жыл бұрын

@@angelaupton8043 oo

@therinisley9515 6 жыл бұрын

I love this! This is such an amazing explanation. I've always struggled to understand these concepts and I have ADHD so it's especially difficult for me. But I love this teacher! I plan to watch every video I can! I just can't thank you enough! It's really going to help me with my future career plans. I haven't watched any videos with other teachers yet, so I can't say how well the others do at explaining things, but if I were a teacher I would want to be this good. And if I ever make enough money to do so, I will donate to this organization.

@jakeaintscary 10 жыл бұрын

Thank you so much for taking the time to make these videos. I am taking an EMT course and have been memorizing all the information so I can pass the test but never really understanding how it works and after watching these videos it is all starting to make sense ^.^

@jenniferg7714 11 жыл бұрын

Studying & learning for 'visual learners' has become so much better with mainstream internet use and great videos like this. Thanks for simplifying something which is initially quite confusing:)

@lorenagonzalez9421 8 жыл бұрын

Thank you so much!!!! Now I really understand cellular respiration! You helped tons! God Bless you!

@Kat-tq6tm 7 жыл бұрын

I'm doomed. test over this and two chapters Monday for college

@Kat-tq6tm 7 жыл бұрын

I'm doomed. Help!!!! Pllllleeeeeaaasseee!

@amirajaber4149 7 жыл бұрын

Katie kelley good luck 👍🍀

@Kat-tq6tm 7 жыл бұрын

I got a higher grade on my most recent bio test. Now to get though the rest of the year

@lujineshelleh2707 7 жыл бұрын

me too

@sabrinaa 7 жыл бұрын

doing this as a 7th grader :/

@chrisuljanicchris8617 6 жыл бұрын

You help so much. I'm studying sports medicine and this is exactly what I needed !!

@aliciajohnson8367 Жыл бұрын

Super helpful video! I sat down to watch the cellular respiration series thinking that I would be cramming for my cell bio exam tomorrow but it turns out that I already knew the stuff,, i just needed a simple and clear expaination and this was it! I don't think many professors know how helpful it is (especially to adhd students like myselft) to just explain things in the simplest terms and expressions. I just love how concise and exact your lessons are. I know it can be good practice to have to use critical thinking skills to reach conclusions about topics like this but i find that style of teaching to be my weakness. anyways thanks a bunch for these great videos! If i wasn't a broke college student i would surely provide a great donation!

@devcat3936 4 жыл бұрын

God bless this man even though I still dont get it

@JoannaRivera 4 жыл бұрын

This professor is the best!!!! I hate online classes but I would rather take his online class than in person because he is just THAT GOOD!

@emmaj8337 3 жыл бұрын

I find that watching videos like this is the happy medium of learning. (So is teaching in a class while writing on the board, if the teacher does it well, i think.) Reading from a textbook is energy-draining and difficult. Listening to a lecture can be boring and you can miss details. But listening *and* reading, looking at the notes and listening to the explanation, is like reading along to an audiobook; it makes a lot of sense, and doesn’t require that much strain or cause confusion. Thank you for all the help. I hope you know you’re a *literal blessing* to us all

@shan8613 3 жыл бұрын

You, sir, have always been a life saver! Thank you so much for everything ❤️

@filthylove 11 жыл бұрын

Thank you! I love how you use the colors . You wrote so clearly. Makes it so much better!

@mxstrisha 13 жыл бұрын

Sal, watching your Biology videos saves me a lot time and I actually understand all these subjects better. I'm sure I'll do good in my Biology finals tomorrow because of you. (:

@queenvee2227 3 жыл бұрын

It took me like ten different videos but I think I'm finally understanding this!

@dian5083 7 жыл бұрын

Super nice video, clear, structured and very organized.Thanks for your input.

@stewiegriffin12341 8 жыл бұрын

Thank you so much for making these videos!!!They'll help me a lot!!!

@bethy081989 13 жыл бұрын

Got a 90% on my exam and you cut my study time in half providing me with more study time for other classes. Thanks for the download info as well. You are awesome and very much appreciated for the videos that you make. Thank you.

@thecarlcoyle 13 жыл бұрын

I want to thank you for doing what your doing here its truely refreshing to see someone take the time to help everybody else out there it shows just how usefull the internet can be keep doing what your doing because it is more than appreciated

@Omar-zo6ro 7 жыл бұрын

aaaaaaaand i'm failing

@Monochrone15 7 жыл бұрын

lol XD I feel you. This is painful.

@davidz8823 5 жыл бұрын

Very well explained, thank you.

@lamer7643 13 жыл бұрын

I really appreciate the videos that you put out there, i am an undergraduate nurse and your videos and use of pictures and examples far exceeds the efforts of my instructors. i wouldn't be getting through these classes without these examples :)

@PurpleLipstick01 12 жыл бұрын

I just wanted to let you know how much I appreciate this video and your work as a whole. It's extremely helpful and your explanations are easy to follow. thank you very much

@kinganimiton5071 8 жыл бұрын

this really helpful thx a lot i needeed it

@mianabdurrehmansohaib1429 7 жыл бұрын

Great video.......helped a lot.....

@islandelite1 12 жыл бұрын

Sal, you are definitely God-sent. Your work, dedication, and willingness to help others is awesome. there is not enough words in vocabulary to thank you. keep up the good work. you are amazing.

@11812012082926 12 жыл бұрын

I think you are amazing! The way you break things down to their most simplistic forms then go on from makes cellular respiration much easier to comprehend, thank you.

@jeremiahluke5180 8 жыл бұрын

it helped me a lot in a scinence contest i got 1st

@johnny0jon 13 жыл бұрын

I love how simplified this is... Makes me feel smart (even though Biology is my worst subject)

@Angelina267 12 жыл бұрын

this is excellent. One of the best videos on youtube. Thorough, precise, and enough detailed information to not only give us the main idea, but not too many stupid little fragments. Thank you so much. My honors bio teacher is 80 years old and doesn't have a clue what he is doing.

@missclarajaner 11 жыл бұрын

Thank goodness for this video! My biology teacher makes cellular respiration much more compicated than it needs to be. This video will save me on the test tomorrow!

@armandohasudungan 14 жыл бұрын

wow..

@louisemalfoy5914 7 жыл бұрын

i love khan academyy

@lexingtonchick1 5 жыл бұрын

Best video on Cellular Respiration 👏🏽 thank you! I finally understand it! For anyone to understand this start by 1. Understand the basic understanding of Enzymes for catalyzing the chemical reactions of life 2. Watch the amoeba sisters on this topic 3. Then come back to this video and everything makes sense 😂😂😂

@jamescesaro1572 10 жыл бұрын

This is a great video, and I'm even more impressed by how well he writes using the cursor.

@Tan_vee 9 жыл бұрын

Where can I get that amazing black board with colors online? What do I google? I wanna make educational videos too and I wanna use this. Help anyone?

@touraybinta 9 жыл бұрын

Watching this out of extreme boredom 😞

@tyrannospino4242 9 жыл бұрын

your not the only one.... Now I'm just gonna post random questions off a Prof 2 algebra questions

@xeztan 9 жыл бұрын

Good for you, better than wasting your time on social media or videogames.

@janarthanamrajaram8022 4 жыл бұрын

xeztan by I want to travel

@janarthanamrajaram8022 4 жыл бұрын

tamilpicture

@quinnf7839 7 жыл бұрын

this is an honest question...can someone please tell me when i will ever need this, unless i become a biologist

@MsM0N3YL0V3R 12 жыл бұрын

This helped clarify so much of what we've been learning in A&P. He's so clear and succinct.

@ahmedalkarkhi 9 жыл бұрын

Its FADH2 not FADH, nice video thank you :)

@awang714 9 жыл бұрын

I think it should be net 30 ATP (eukaryotes ) and 32 ATP (prokaryotes) from current understanding/research.

@DivineSeaDragon 4 жыл бұрын

Alex Wang thanks

@yolismazacarias350 5 жыл бұрын

Thank you for taking the time to actually explain this in a calm manner unlike crashcoarse that just rushes through everything. After this video, I have a better understanding of cellular respiration!

@luvswimm13 12 жыл бұрын

This is so helpful. You are my hero. I love this. I am a visual learner and trying to learn this in Biology was near impossible. Thanks so much for making this.

@yasna2001 7 жыл бұрын

i have my SAT biology subject test tomorrow and i'm fucked to say the least

@nicolehartson3253 7 жыл бұрын

Yasna Ali good luck

@yasna2001 7 жыл бұрын

Nicole Hartson hah thanks it wasn't too bad but i'm definitely not getting a good score

@nahdiya8 7 жыл бұрын

Yasna Ali of

@oshitomaha 9 жыл бұрын

Glycolysis needs 2 ATP's, to generate 4 ATP's so on a net bases generates 2 ATP's??? wtf is that

@joelmooner69 9 жыл бұрын

ATP is energy.

@jenniferfelix7981 9 жыл бұрын

Think of ATP as money. To start your business (glycolysis) you spent 2 dollars (2 ATPs) and at the end of the day made 4 dollars(4 ATPs) therefore you profited 2 dollars (a net of 2 ATPs)

@piousalpha3733 9 жыл бұрын

Jennifer Felix that was a good one

@jenniferfelix7981 9 жыл бұрын

Pious alpha Thanks I'm glad it helped

@dellamassaley976 6 жыл бұрын

Jennifer Felix thanks a lot for this comment,helped me alot.

@arbuncg10 12 жыл бұрын

Thank you SO much for making these videos! I am a college biology student and this has helped me tremendously :)

@syberk1d 12 жыл бұрын

wow, i am half way through my Human Biology A level ( A.S) FOR THIS SEMESTER!. I was not aware of this page, it would of aided me greatly if I'd of known about it sooner! This video has been very helpful, i will continue to watch the videos that relate to my A level work. I give credit to the educator that derived this information Thumbs up to him. Thanks for posting these video's x

@teto5447 7 жыл бұрын

what happened to the oxidation of pyruvate after Glycolysis?????!!!!

@nubiagoldd 7 жыл бұрын

+tet o I believe those are the two carbon backbones he was referring to at the top under glycolysis

@onlyonemitch5049 5 жыл бұрын

I was supposed to be on holiday,but I'm here instead thanks to my parents. Sigh

@chl.orinee 3 жыл бұрын

thank you so much for these videos, my ap bio class is basically a self study class and ive really been struggling because of that

@ObeytheRussianBlue 14 жыл бұрын

Genius, thank you for the entire series. Learned more from this series than from my Biology Course in 10 weeks! Great job, please continue your work! You are are a world class educator!

@katb8269 6 жыл бұрын

Here for midterms :) rip

@AE0N777 7 жыл бұрын

How old are you guys? I would like to see the age variation of the people who watch these videos.

@roryisdeceased9848 7 жыл бұрын

Esteban I'm 11

@yumekoshousepet 7 жыл бұрын

I am 14 and I am going to fail my test... badly.

@yumekoshousepet 7 жыл бұрын

@saffrown 7 жыл бұрын

Esteban 15 but in grade 11th and most likely flunking my test too lmao

@ra1061 7 жыл бұрын

AL No worries about a thing

@ethanyandow 10 жыл бұрын

I've understood everything this semester except respiration and this has been a really good review to help clarify before exams. Subscribe!

@Jackyzappy1 12 жыл бұрын

Thank you SO MUCH! This makes everything so much clearer!!!!!!!!

@drakkonadurab3441 7 жыл бұрын

I thought you did math!?

@anushrutishukla9517 6 жыл бұрын

Drakkona Durab Seriously, he does everything!

@sanjayprasharprashar1577 8 жыл бұрын

why do you give these videos for free?? they're so good..u'd be so rich if you cost money for tuitions..the whole world's gonna come and pay you....hi..m shreya from india..can u add some more videos related to medicine studies..I mean higher studies..ryt now m in 10 th year but I would need them for my 11th and 12 grades also..plz!!!!!! awaiting response..thnQ..plz!

@sarahdhakal1493 8 жыл бұрын

May be u are rich enough to pay for each and every online helpful or useful videos. But many people arent. The more the number of viewers the uploader gets the money, so its fair.. If the video is nice and watchable then it is obvious it will have maximum viewers and the uploader get to earn money and the students who are hungry for knowledge gets to lear many new and interesting things.

@ZzzZ-hm3mr 7 жыл бұрын

you can find these videos in khan academy, just search it online cuz its there. its like lessons just like this video and it can vary to a lot of topics too.

@pilch295 10 жыл бұрын

This represents a superb standard of lecturing. Fascinating and crystal clear! Thank you.

@monicaha827 2 жыл бұрын

Wow, thank you so much. You helped answered many of my questions!!

@user-jd5ov7gz7e 9 жыл бұрын

Doesn't it produce 36 ATP?

@kabtastick 9 жыл бұрын

No 38

@rileyb5987 9 жыл бұрын

38 ATP is how many ATP that is produced in the entire process from 1 glucose, but there are multiple steps that require ATP and only produce ATP under ideal conditions so the NET ATP is closer to 30 ATP. It is calculated as cytosol NADH (NADHc)=1.5 ATP (as it costs an ATP to enter the mitochondria) mitochondria NADH (NADHm)=2.5 ATP GTP=1 ATP FADH2=1.5ATP Glucose = 2ATP+2GTP+2NADHc+8NADHm+2FADH2 = 30 ATP (text books say 36 because they round all the .5 ATPs up and 38 because they dont account for the invested 2ATP.)

@gertrudechikwanka4370 8 жыл бұрын

+叶靖宇 one molecule of glucose will produce 38 mol of ATP if the NADH produced is transported to the mitochondria via the malate shuttle but if it is transported to the mitochondria via the glycerophosphate shuttle, only 2 mol of ATP will be formed so the net production will be 36 instead of 38

@qwertyokful 8 жыл бұрын

+叶靖宇 Without the Krebs cycle it would produce only 36 but combing the process of the Electron transport chain and the Krebs cycle it creates a total a 38.

@sophieagudelo7477 8 жыл бұрын

On school tests (EOCs) it says it gives 36 instead of 38 so teachers say it's 36 instead of 38

@AliveInChrist324 8 жыл бұрын

he gets kind of off topic and is super repetitive

@Celinestu333 7 жыл бұрын

he is just trying to be very clear cos not everyone is like you, intelligent -_-

@teampunk1356 6 жыл бұрын

i dont think so.....his explanation is very good tho....

@anica1023 Жыл бұрын

Amongst all the videos I watched on yt about Cellular Resporation, I can understand this one better. Thank you so much for this 💗💗💗

@AnthonyHoward-ru8su 6 ай бұрын

Khan Academy is so fantastic...i haven't been exposed to such useful educational material in decades and it is getting my mind working again

@captfalconXX 14 жыл бұрын

Khanacademy, thank you so much. Among videos I've been watching, yours is easier to understand and I like your explanation. Great work !

@thisisAB 12 жыл бұрын

You realize you save lives right? Thanks a lot you need awards for this (I nominate you for the Nobel Peace Prize)

@AngelQ44 11 жыл бұрын

this is actually so pretty to look at ! thanks ! I have a test tmro and I learn visually.

@MONDAY7464 12 жыл бұрын

THANK YOU!!!!! THANK YOU!!! THANK YOU!!!! SOOOOOOOO MUCH!!!! For breaking down the information in a manner that I can actually understand it!!!! Thank you for the subtitles too!!!! You're soooo awesome!!!!

@chibisaya 12 жыл бұрын

yay for using this to study for my final the day before

@nel._.k Жыл бұрын

This video explained me everything I needed, THANK YOU!!

@dexkani9993 Жыл бұрын

Can't believe this was uploaded 13 years ago It's 2023 and I'm.studying for Biochemistry exams This is so helpful

@simplyjustbecause 14 жыл бұрын

I can't thank you enough! You make everything so simple.

@THINKARETE 13 жыл бұрын

THANK YOU!!!! I have been freaking out about the Krebs Cycle & u have made it easy to understand- u r a star!!!! Biochem exam tomorrow & feeling better now ;-)

@kayelem23 12 жыл бұрын

I might be one of the rare ones that isn't here for my midterm! I'm actually studying Biology at university and I tutor highschool students. I wanted an example for an introduction because I wasn't sure how to start... I might just make her watch this video, she won't need me anymore! you're amazing :)

@an0pend 10 жыл бұрын

it's awesome. i'd never understand this kinda stuff if it wasn't explained in a simple way. thanks a lot!

@abbeh22 13 жыл бұрын

thank you! your videos are great! i have a great teacher and he put this on blackboard as a supplement and this is wonderful!

@Enigmousefi 6 жыл бұрын

Thank you for ACTUALLY EXPLAINING THIS IN A SIMPLE EFFICIENT WAY BLESD YOUR SOUL

@heywasshatnin 12 жыл бұрын

This is so much easier I understand than my professors lecture! I loved the word origins that helped so much

@arpi6054 4 жыл бұрын

Sal is God sent I swear, I have a test on this in 2 days and my teacher didn’t give enough info

@disney6858 12 жыл бұрын

This is the BIGGEST educational video archive i've ever seen

@blackaliensheep5619 8 жыл бұрын

You're the best! I didn't even get what the teacher was talking about I thought I was dumb but NO! I actually am not dumb!!! You're the BEST!!!! You're my teacher now!!!

@ambertidewda 13 жыл бұрын

This is awesome! Sooooo much better explained than my wordy textbook. Thanks!

@Lisannewicekd 11 жыл бұрын

And I FI-NAL-LY get it! Since I have this years' worst biology teacher who just sits back in his chair letting us figure out what's it's all about, I really really needed this for my test tomorrow!

@gamalmohamed8326 3 жыл бұрын

sameeee!!!!!!

@TooooooooooNify 10 жыл бұрын

I'm so happy i actually used his videos. I had my midterm today and professor added 3 essays and one of them were on this topic! and 50 multiple choice ... and some true and false.

@janicceee 6 жыл бұрын

you have no idea how many people you've saved, i love you

@RohilThopu 13 жыл бұрын

after watching this and the photosynthesis video, i took my test and got 100 on it. my life is complete thanks to you :D. I greatly appreciate your videos VERY much (not that i didnt understand anything but this helped me reinforce everything.)

@melrl5260 9 жыл бұрын

I am very grateful for this video and explanation.. you are a fantastic teacher. Thank you!

@jalle88 11 жыл бұрын

I know the feeling. I got exam in Physical Education tomorrow and these videos is explaining what I never understood in my courses perfectly!

@MissKath29 12 жыл бұрын

Men, I understood it more here than in school. Thank You! Hope this will help in our periodical examination :)

@createaccount753 13 жыл бұрын

wow. this is soo easy to understand. i have midterms coming up and this has helped clarify so many things! THANK YOU

@abrahamlovesalicia13 14 жыл бұрын

this is amazing! simple and interesting and best of all i really get it!!

@freebound01 12 жыл бұрын

I live in South Africa, and if I could send you a basket of fruit or some potatoes from here to express my gratitude then I most sincerely would. Thank you for your awesome lessons.