Photosynthesis Part 5: C4 and CAM

[@karrenflint3337]

I have been studying C3, C4 and photosynthesis for an exam tomorrow for the last three hours. Reading notes, drawing pictures, talking out loud to myself like a nut. At the end of my tether just not grasping the simple pattern or key or whatever it is about C3 and C4, I was about to give up then thought I'd try a visual approach to learning (which I prefer anyway). This video came up and in JUST 6 minutes........I have finally grasped the concepts...OMG...I am so happy and grateful for this amazing video and will be viewing the previous ones. Thank you so much!!!

[@lindamariemendez9580]

literally same, you saved my life man

[@vivianegirardin5667]

The best explanation of C4 and CAM plants I have found so far. You are the man to look for on You Tube when it comes to botany, thank you very much!

[@drashtigoswami2624]

the best explanation of C4 path. Thank you so much. You saved me. This path was always so difficult for me to understand but you made it so easy to understand. Thanks a lot.

[@charmkk9448]

Thank you!!! You are the best teacher on the whole Internet! There is nobody who can explain something better than you.. Im soo thankful

[@atimor]

Learned more in watching these 5 videos than 2 weeks of explanations from my crappy cegep teacher. Thank you!

[@yasminakhlaghi8106]

that was a great lesson, very clear and understandable. I needed that! Much better than textbook explanation!

[@AnnaBananaHe]

A huge thanks from Germany :D U taught us more than our teachers did in the last 3 years XD

[@momoisu61]

Good detailed examples on photosynthesis and who ever disliked this video obvoiusly does not like how ur teaching us under grads how easy it is, really to understand this process, thanks again!

[@Bleedhorror]

Wish our professor was half as good as you, i only find the best teachers at youtube. Keep up the good work mate, thanks a lot

[@kd9817]

You are an outstanding Teacher. Very clear to understand Photosynthesis in C3, C4 and CAM Plants. Thank You!

[@youtubecommentor6807]

Your voice is a chocolate river.

[@Cornbreadddd]

honestly an amazing explanation

[@michaszapski7204]

And i don't understand, how a teacher can't explain it so clearly in 45 minutes of lessons while you can in 11 minutes -.- Great job! Really helpful :D

[@onice331]

i can't tell you how much this video has cleared up photosynthesis for me! i had to learn this section by myself because i missed the lesson in class and i could never remember it. now that APs are coming up, i had to relearn it. this video really helped! thank you!!!

[@asasikumar05]

You mentors are gifts to this world! Thank you so much!

[@pampofski8751]

Plant evolution is absolutely incredible. And you're an incredible teacher

[@claireoverlander4214]

Thank you. The video is very well laid out - with clear explanations and diagrams. I've been trying to understand this topic for 12 wks with my Uni reading. This video was able to break it into understandable chunks which has made me feel much more confident with this topic. Thanks again for taking the time to put this video together.

[@wanderlazaro8968]

One of the best videos about the subjectcon KZbin! Awesome.

[@victorcastleman5392]

this explained C4 plants so much better than my teacher does. BLESS YOU

[@rendavis4945]

I just watched this entire series for the AP exam and it is amazing. I can't believe all of this goes on in a tiny little leaf.

[@OhSryOwned]

Great videos. You do a great job, just wow. I watch these as a supplement to my college lectures and readings. Being a visual learner, this really helps my comprehension. Greetings from UC Davis!

[@fastmela.com.2420]

Uploaded on 2012, I watched it now on 2016, Really helpful and straight forward forever.

[@vincentnguyen4208]

Just watched it too, besides the audio being a little quiet, it was pretty good explanation.

[@paigeholloway6170]

This helped put all of the bits and pieces together! It now makes sense as to how & why photorespiration is activated! Thanks for the amazing video :-)

[@raniamelhem8866]

I honestly want to thank you for putting your time into the making of these videos. My teacher took about 3-4 1 hours lectures trying to explain these 5 series and confused me so much. I feel like i can teach this now, and I only watched once. You are so clear, and fast at explaining these. Thank You again I truly appreciate this. :)

[@vaishalidoguparty]

Thank you so much!! This visual really helps me understand the process... much better than my lecture notes :D

[@ryanvideos5786]

thanks for your help i am gaining better understanding on this because of you, thanks for your help. please keep uploading videos , me as a student find your videos much better than my college professor. much respect thanks alot

[@josh007ful]

Thank you sir i became your fan. i could not understood photosynthesis for last 2 months, every time i tried it i felt boring. but This vedio helped me a lot. many many thanks to you.

[@sannajonsson1205]

This is THE best video on this subjekt ever!!! Thank you

[@Nickel-wb6eg]

Thanks so much these videos helped a lot! I barely understood what was happening, this cleared it all up and helped me prepare for my test!

[@paulparis6347]

Thank you so much!! You've helped me a lot. No teacher in Germany could explain it better than you :)) keep it up, cheers! ^^

[@SweetsaysSam]

Best Video on C3, C4, and CAM on youtube I found till date !!!!

[@gracehao5096]

You are my hero. Thank you so much for helping me understand photosynthesis.

[@parinithamaben4141]

Your videos are lifesavers!! Makes so much sense :)

[@meroy2374]

Great video on photosynthesis. Its concise yet specific.

[@66thebubblemonster]

You just saved my life. Essay due today and I'm not even worried anymore. Why didn't my bio teacher just explain it like this?! Thank you so much.

[@Jim34576]

Another thank u from Germany. Simple and understandable

[@trensza]

9 years later... this video is still a gem

[@CPDaly]

THANK YOU SO MUCH! This was very detailed, but you explained it in simple terms so it was able to understand. I know feel confident for my test

[@shraddhasawant9312]

Thanks a lot Craig! This video helps visualize all the processes in a better way.

[@rashidixit4171]

thank you so much for making this so simple and easy to grasp. you're bang on dude !

[@bignel58]

Craig you're a savage, that was awesome!

[@oscarwang7365]

I love your teachings. And your voice too! Some good teachers don't have good voices but you have both! And nice PowerPoints!

[@juliaa.7098]

thanks man! i really needed that. i am german but there is no german video of that so i tried a lot of english videos. yours is the first i learned something with !

[@anshupathak1734]

Wow ..!! Wat a video ..!! Superb man ..!! All d videos & explanations were clear & perfect ..!!

[@nazmulkabir3774]

I went over so many videos of C4 cycle but this is the best

[@swiftblade168]

Explanations were really clear! Great video!

[@iburns15]

thank you so much for this video! i have a test tomorrow and this really helped me to understand the part of photosynthesis better!

[@mosessaffagbondo5050]

I have learned more through your videos. Thanks for your effort

[@igster187]

Dude, I love how you simplified this topic!

[@TheBadGurlxoxo]

I loved it. straight forward and very informative. thank you for your video!! 🙌🙌

[@jeankm0814]

Thank you!!! Such a good way to study for a hard exam! Please keep making more Science videos; they're great :)

[@shreyasighoshal59]

Very clear explanation. Thank you! This is of great help in understanding the basic concept behind.

[@DartSheik]

Great vid!, thank you very much! I've got 1 question if you dont mind: in C4 plants, what prevents O2 molecules from diffusing into the Bundle Sheath cells as well and to disturb the RuBP there??

[@garyntownsend9547]

+Yuval Erik V The bundle sheath cells have very thick cell walls allowing CO2 in and not letting it escape. Also the plant does not bring O2 into the leaf, the O2 will travel out of the leaf leaving very little to enter the bundle sheathe cells in the first place. C4 plants are not 100% efficient, they have about 5% photo-respiration compared to 25% in C3 plants.

[@bobduncan1857]

Thank you so much for this video. I have a test tomorrow and this cleared my doubts. Thanks!

[@deaklundlee]

Thank you for sharing your knowledge with us in this phenomenal video. I live in Tucson, Arizona, where the saguaro cacti provide a wonderful example of a CAM photosynthesis plant. And, while I have been familiar with the carbon fixation process at night, I have often wondered how the cacti deal with the excess oxygen produced by photosynthesis during the day if they have all of their stomata closed. Is there an "oxygen fixation" process that helps to store it until night time?

[@88dkc]

Just watched the full series. Thank you, very straightforward and informative. This will help a lot :-).

[@David-qv9yy]

+David cairns CAM STAND FOR CENTRAL ATTACKING MIDFIELD

[@JaviOfEarth]

Your diagrams were extremely helpful!!!!! Thank you!!!

[@kritikasingh401]

awosome video!! it has become really easy for me to understand the C4 pathway

[@yulizaphoenix]

OMGOSH! THANKS SOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOO MUCH!! FOR MAKING THIS VIDEO! I HAVE AN EXAM TOMORROWAND I FINALLY GET IT! Im just going to review it!! Thanks soooo much!! i cannot emphasize it enough!!! :D

[@KJKP]

Effectively, the physical structure of the C4 plant enables it to create a CO2-only chamber in which its RuBP can bond with only CO2, and not O2.

[@Becks4242]

Your videos are great! Now im prepared for my test tomorrow... Thank you very much!

[@aryaa3998]

Love ya...for saving my life. You actually made plants more interesting. Thanks :)

[@slythylia]

That was absolutely fantastic, thank you so much for making this!

[@beissan-7416]

WOW!I cant believe this ONLY has 58,600 views!! the teacher asked us to study this in an undetailed text from the book that was too brief to make sense. I'm glad this video was there otherwise it would be Great Depression two for me :)

[@jimmyjohn8776]

This was so helpful I totally understand this now.

[@MANsOfficial95]

thank u brother...i was streaming through the books but could not understand anything..but your video made my leson easier..thank u again

[@BOGObiology]

Everyone always struggles with two topics; photosynthesis and respiration. They're interesting but really dense!

[@MichaelHarrisIreland]

I love these videos, it's like discovering a new frontier. One day the names might be as familiar as Indians and buffalos, etc not meaning ETC. And people having raised ATP levels. I don't have any exams so I can only admire the effort it must take to learn something so complicated for that purpose.

[@sammydastheking]

Jeez, you're like the crisis guy, helped me out of the confusion with ease :))

[@originialvcast]

Thank you a bunch! I am a visual learner and this makes perfect sense. HONESTLY, THANK YOU!!!!!

[@mauricioruiz2054]

Thanks that cleared things up alot. I'm more of a visual learner so this video really helped!

[@mickiemox]

I have a bio test tmrrw and we're being tested on this topic.. I had trouble understanding it but now it all makes so much sense !!! woot thanks : )

[@Reason4Existence]

Great explanation and splendid visuals!

[@Pumpgun67]

been watching it again - its like every year we have to write about this stuff and i just keep forgetting it :DD so....after 6 months, this video is still helping me study, gr8 job!

[@nfkt101]

awesome bro......you nailed i....igot it over tonnes of pages but even a little idea didnt glimpse ......but this video improvised my concepts thanx again....

[@tinkermells123]

AMAZING, great info, great explanation!!

[@Anilandsabita]

thank you for this presention .. happy to understand what actually happens

[@LaughLineTVV]

You had the pictures messed up in that last diagram. C4 plants are sugar can and grasses and cam plants are pineapples, succulents etc.

[@floatingcloud94]

Goodness I actually understood like I friggin grasped it . Thank you so much man

[@CraigSavageScience]

Glad it helped!

[@heather2039]

dude you saved my life!!! it all makes sense now!! thanks so much

[@bethmetcalfe1311]

Thank you for making this make sense for me! I just have one question - when you're talking about PEP, is that an enzyme or the starting molecule for the C4 pathway?

[@kathrinef2197]

you just blessed me for my exam!!! THANK YOUU

[@kkaul9231]

WOW What a great way to explain. Thanks !!!!!!!!!!!!!!!!!!

[@aditipatel3407]

You just saved my life!! Awesome vids!!

[@annag4074]

Wow thank you I really enjoyed watching this!!

[@pulkit171193]

U r awesome mann..nothing bettr den wat u jst explaind in dis vid ..respect !

[@CraigSavageScience]

Sugar cane is a C4 plant. Great observation. I have the C4 pathway under the CAM plant (pineapple) and the CAM pathway under the C4 plant (sugar cane). I'll add a note to make it clear. Thanks for the heads up.

[@menajrijees3347]

Excellent video !

[@連茂雄-k9h]

Very clearly described and get the points. Thanks heaps.

[@nairdarumani5450]

GREAT ANIMATION AND EXPLANATION

[@KaaaylaDoe]

Wow, thank you so much! You made this so much easier!

[@priyankakohli2420]

Great work!! Very well explained

[@kenneth0507]

a very useful video after watching your video, i totally get the idea of C4 plant and C3

[@gollilox]

this is a PERFECT video! you explained it so well, thank you so much! I completely understand now :)

[@AishwaryaSrinivasaPrasad]

Thanks a lot sir.YOU r a great teacher. I've a question...why r there no bundle sheath cells in CAM plants?how do they store malate?

[@surangi81]

Thanks ...this vedio helped me a lot to get a clear idea about C4 path way

[@Black0Horse0Run]

thank you for the great video but i wanted to ask since cam plants closes there stomata all day and they take CO2 during the night do they give O2 during the night as well (after they make it in the day)?

[@ruchijha5446]

nice explanations... its make everything clear!!!!

[@capgains]

Trying to think of a way to remember this. What’s another way we can think about pathway?

[@JajaTheBalls]

Awesome, very clear explanation.

[@lovelucas1010]

Thanks.. this video is helping me study for my exam :) you rock!