Photosynthesis - Light Dependent Reactions and the Calvin Cycle

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  • Опубликовано: 10 янв 2025

Комментарии • 355

  • @TheOrganicChemistryTutor
    @TheOrganicChemistryTutor  Год назад +21

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      @hackr5277 11 месяцев назад

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    • @scaravv1876
      @scaravv1876 2 года назад +38

      oh wow, I'm here for biology too! I have an exam in the morning and completely forgot about the Calvin cycle

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      @meimunashuaib7434 2 года назад

      Thank you

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      @meimunashuaib7434 2 года назад +1

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    • @soulofrei643
      @soulofrei643 3 года назад +15

      trust me this vid is all you need to understand what is going on with photosynthesis when you get there, my teacher couldnt make us understand the same content in 2 separate lectures NJEGNJGNJE

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      I'm 23 years old and I don't know what's going on, too. 😭

  • @saurishs
    @saurishs 3 года назад +401

    I don't think the video said this (at least I didn't catch it), but during the conversion of the 5G3P back into 3RuBP, it requires the usage of 3ATP -> 3ADP to receive the phosphate group - this is what makes the net count 9 ATP and not 6 ATP.

    • @SeokjinKim
      @SeokjinKim 3 года назад +10

      Thank u

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      Thank you, he didn’t mention this and it really threw me off

    • @Sci-s2d
      @Sci-s2d 2 года назад

      I don’t get it, explain pls?

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      @bbgsof_xx 19 дней назад +1

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  • @hunterlord25
    @hunterlord25 7 месяцев назад +21

    For anyone stumbling about with this specific part; it's 9 ATP/ADP in the summary due to 6 ATP/ADP forming during reduction and 3 ATP/ADP during regeneration.

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    @damianrico2433 3 года назад +13

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  • @opareo8951
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    you do not understand how muh trouble i was having with photsynthesis before this video. thanks man this is a life saver

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    @markrabiballino1471 Год назад

    This presentation taught me a lot about photosynthesis. And how it it works.. this has a lot of Knowledge to be learn.

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    @methmemelab8819 5 лет назад +43

    Few days ago I was studying cellular respiration and you uploaded that video and right now I have just completed photosynthesis again you uploaded this video. What is exactly happening? 😂😂

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  • @harriesangelomorales1867
    @harriesangelomorales1867 4 года назад +14

    Please note that on the last part it should be 12 Nadp+ instead of 6. Thanks for the video.

  • @sreyapedapati5992
    @sreyapedapati5992 2 года назад +6

    around 17:37 you said to just double all the numbers so wouldn't 6NADP+ turn into 12NADP+ or would it stay the same? And you said in the calvin cycle a total of 9 ATP is used but when you were walking through the process indetail you said only 6ATP is used not 9. That part was a little confusing can you clear it up please?

    • @marlaf2712
      @marlaf2712 2 года назад +9

      he made a mistake, I came here to check too but upon further research it would be 12 NaDP + and also the extra 3 ATP generated is because in the last step of the cycle ( where you go from G3P back to RuBP) it takes the energy of 3 ATP to make that transformation...
      so then its the 6 ATP from the dephosphorylation + the three used at the end.
      Hope that helps!!

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    17:44, 12 NADP+ instead of just 6 molecules of it? Everything should be doubled here.

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    @xinyu9036 Год назад

    Reactants of calvin cycle are ATP, NADPH and CO2 6:16

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  • @ynhe4108
    @ynhe4108 3 года назад +6

    Hi! I just wanna make some corrections regarding the usage of bisphosphate and biphosphate terms :
    Generally, biphosphate = H2PO4-
    bisphosphate = two phosphates covalently bonded to, say, a carbon
    Thus, it should be Ribulose-1,5-bisphosphate and 1,3-bisphosphoglycerate
    Nevertheless, great video!

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  • @lukeewert3005
    @lukeewert3005 3 года назад +3

    In the electron transport chain it takes two H2O to produce 2NADPH, but in the Calvin cycle it requires 12 NADPH. If it takes one water to make one NADPH why doesn't the formula call for 12H2O? What happened to the other 6 H2O?

  • @a_-_.
    @a_-_. 2 месяца назад +2

    For 17:22 , shouldn't the 6 NADP + be 12 NADP+?

    • @leolorenzcayabyab8700
      @leolorenzcayabyab8700 Месяц назад

      He forgot to mention it in the 3rd phase, it requires 3 ATP to regenerate 3 RuBP

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