GCSE Biology Revision "Cell division by Mitosis"

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  • Опубліковано 2 тра 2024
  • GCSE workbooks www.amazon.co.uk/Dr-Shaun-Don...
    School licenses from 40p per copy www.freesciencelessons.co.uk/...
    In this video, we start by looking at chromosomes. We then explore the cell-cycle involving mitosis and why this is important.
    This video is based on the AQA spec. If you are following a different exam board then you should check your specification. The Amazon link above is an affiliate link. This provides a small commission which helps to support freesciencelessons. The cost remains the same to you. If you prefer not to use this, you can search Amazon for the Freesciencelessons workbooks.
    Image credits: All images were created by and are the property of Autonomy Education Ltd.

КОМЕНТАРІ • 783

  • @elladunford5282
    @elladunford5282 6 років тому +1733

    i have learnt more in one of your 4 minute videos than i have in four years of biology lessons, thank you so much

    • @msn7096
      @msn7096 6 років тому +68

      Damn how bad are your teachers, I thought channels like these were just an add on, not full teaching!

    • @RisageYT
      @RisageYT 6 років тому +28

      Completely agree although i get Grade 4/5s in science i feel like i barely know anything.First time reviisng actually.and how they dragged on the topic of B2 for like 2 months but it was worth it when i did the mock on B2 i got a 6 on the paper.But it aint worth anything anymore as i had forgotten it.

    • @skyeatkinson9598
      @skyeatkinson9598 6 років тому +10

      that's far too relatable

    • @shakeontheirown
      @shakeontheirown 4 роки тому +1

      I love The 1975 yessss

    • @kiracass3507
      @kiracass3507 4 роки тому

      Same

  • @beckz3294
    @beckz3294 6 років тому +2008

    Anyone else doing last minute revision?🤘🏾

  • @ketchurself7979
    @ketchurself7979 5 років тому +1569

    Freesciencelessons, saving 16 year olds for another year.

  • @Controlc
    @Controlc 5 років тому +2167

    I’m relying on this man to carry me to a grade 9 victory royale

    • @Ani-tk1zp
      @Ani-tk1zp 5 років тому +80

      I think everyone is 😂😂
      Imagine how many people will fail without him😌
      GOD BLESS SHAUN💖

    • @tezmard3003
      @tezmard3003 5 років тому +11

      Control c bet

    • @callumv2134
      @callumv2134 4 роки тому +8

      Control c ikr

    • @glizatron
      @glizatron 4 роки тому +33

      Control C tell us, how did it go man :)

    • @darkghostgamings22
      @darkghostgamings22 3 роки тому +12

      U probably got the 9 if u revised

  • @mushtaqrasool9169
    @mushtaqrasool9169 2 роки тому +196

    This man is special, we can't lose him, GCSE students!!

  • @adiba7780
    @adiba7780 2 роки тому +309

    It's 2022 and I guess he is still saving our GCSE grades!

    • @hugoo5011
      @hugoo5011 2 роки тому +16

      Got my exam on Tuesday, good luck to you

    • @potterhead4life9
      @potterhead4life9 Рік тому +2

      @@hugoo5011 hope you do well tomorrow

    • @sarah5138
      @sarah5138 Рік тому

      @@hugoo5011 same tomorrow!

    • @Ruv562
      @Ruv562 Рік тому +2

      Left my revision to the last minute lol

    • @dapo7930
      @dapo7930 Рік тому

      @@hugoo5011 I hope u did well

  • @tehwasd4483
    @tehwasd4483 2 роки тому +242

    This guy explains a one hour lesson in less than 5 minutes.

  • @charliecampbell5598
    @charliecampbell5598 Рік тому +79

    Today is results day 2022 and I want to thank you for boosting my grades from 7, 7, 8 in Bio, Chem, Physics to 9, 9, 9!
    I'm now going on to study Biology A-level for which I will continue using this fantastic free service!
    You the best Sean!!

    • @h4ni_713
      @h4ni_713 Рік тому +3

      Yooo congrats thats amazing

    • @amnaikram8300
      @amnaikram8300 Рік тому +10

      @@tombha23 and you dont need to be so envious, you could just be happy for them but well done

  • @MeatyonicGlover
    @MeatyonicGlover Рік тому +270

    I got exams in two days but this helps, thanks a lot.

    • @patbateman8116
      @patbateman8116 Рік тому +26

      Good luck, currently on a binge of his videos to make sure I’m ready 🤣

    • @jsjsjs
      @jsjsjs Рік тому +46

      @@killersweg1579 same lmao im literally tryna cram all the knowledge in my brain for tomorrow im gonna watch like 30 vids

    • @joliejsm1670
      @joliejsm1670 Рік тому +2

      Mines tomorrow shitting bricks

    • @oshifudge
      @oshifudge Рік тому +2

      good luck man, i see we're all on that last minute binge. good luck to you all

    • @vybezz6359
      @vybezz6359 Рік тому +1

      @@jsjsjs me rn lool

  • @M0Hamza9
    @M0Hamza9 11 місяців тому +36

    ANYONE HERE A DAY BEFORE

  • @famnaz8827
    @famnaz8827 11 місяців тому +19

    last day revison >>>

  • @Ani-tk1zp
    @Ani-tk1zp 5 років тому +244

    I learned this in yr 8 now I’m in yr 10 and I have forgotten EVERYTHING
    Tip: learn things NOW don’t say I’ll learn it later cuz all the work will pile up then you will kick yourself 😩

    • @ramiya241
      @ramiya241 3 роки тому +7

      omg fr same

    • @Celeste_51
      @Celeste_51 3 роки тому +19

      Same I’m in year 10 lockdown has made me forget so much year 9 especially I’ve forgotten a lot

    • @SanaKhan-pl1px
      @SanaKhan-pl1px 3 роки тому +6

      Lmaoo im in year 11 now and someone told me this when I was in year 7. Take the advice I’m serious...the amount of work will stress you

    • @daz1717
      @daz1717 3 роки тому +3

      i have a biology test today and im year 10 thats why im here

  • @jensenhughes1211
    @jensenhughes1211 Рік тому +59

    This guy is carrying my GCSE's

  • @oscarlee5927
    @oscarlee5927 2 роки тому +224

    Let’s hope my grades can double by mitosis

  • @nasrahd402
    @nasrahd402 5 років тому +166

    I just came here to say thank you u really supported me with science last year ✅ I’ve done my GCSE’s last year and I got 5 in biology I use to get 2/3 in science but ur videos helped me really good 💙 good luck with the students who are sitting GCSE .

  • @trillzshownz8723
    @trillzshownz8723 5 років тому +288

    the amount of people that would fail if this guy wasn't here🤷🏾‍♂️😂

    • @josh1477
      @josh1477 5 років тому +7

      It would be the same amount. The boundaries are done on the % of people

  • @danieldoughty1915
    @danieldoughty1915 9 місяців тому +10

    I got a grade 9 in my mocks for biology triple. Thank you so much for your help 🙏 🎉

  • @elizabethwright568
    @elizabethwright568 11 місяців тому +30

    Good luck to everyone on Tuesday doing aqa ❤

    • @coolvideos9773
      @coolvideos9773 11 місяців тому +3

      Tmrwww ahhh😢😢😢

    • @henfc456
      @henfc456 11 місяців тому +2

      U too

    • @Arxmii
      @Arxmii 11 місяців тому +1

      thanks i need it💕

  • @Pre627
    @Pre627 6 років тому +59

    Literally 5 hours before the exam, I'm just cramming everything in. Fml

  • @aaryan625
    @aaryan625 6 років тому +174

    Here I am once again doing some last minute study

  • @tasnimjannat216
    @tasnimjannat216 Рік тому +4

    I came from abroad and needs to give my gcse exam in 7 month....which one usually students do in two years
    I was struggling too much but hopefully I’ll get good grades....InshaAllah!!
    Thank you Freesciencelessons🥀

  • @kaate4983
    @kaate4983 3 роки тому +11

    2021 anyone?
    GOD BLESS SHAUN💖

  • @mgco-3
    @mgco-3 11 місяців тому +6

    Sir, i just wanna thank you for all you've done for us. You've helped me raise by biology grade from a 5 to an 8 in a span of a few months. Im super anxious for biology paper 1 today but i know we're all going to do great because of you!! Thank you for everything

    • @Novusa
      @Novusa 11 місяців тому +1

      Good luck for the GSCEs , I am starting my year 10 mocks, you got any advice?

  • @bibidelafield1946
    @bibidelafield1946 3 роки тому +12

    hello! I would just like to say thank you so much for all your help. I watched all your videos on chemistry and made mind maps on all the information you gave. Just had my chemistry exam and I knew how to answer every question because of the help of your videos . Thank you so so much! You are amazing

  • @v1kz_
    @v1kz_ 10 місяців тому +5

    my exam is tomorrow and i obviously have to watch freesciencelessons

    • @danieldoughty1915
      @danieldoughty1915 10 місяців тому +3

      How did it go? I had my triple biology paper yesterday. I'm glad I was watching this, haha.

  • @rosiefinnigan2318
    @rosiefinnigan2318 6 років тому +81

    anyone else cramming before paper 1 tomorrow?

  • @yxkhithab
    @yxkhithab 4 роки тому +72

    I'm so unlucky, my school made year 9s start GCSEs ugh. I feel like I'm the only year 9 here.

    • @zm7444
      @zm7444 3 роки тому +2

      Me 2

    • @starulelaforeze4555
      @starulelaforeze4555 3 роки тому +2

      me to i feel you

    • @ranger444
      @ranger444 3 роки тому +3

      🦀🦀🦀🦀🦀🦀🦀🦀🦀🦀🦀🦀🦀🦀🦀🦀🦀🦀🦀🦀🦀🦀🦀🦀🦀😳

    • @jeffs_r_us7166
      @jeffs_r_us7166 3 роки тому +12

      We in this together bro, started GCSE yr 9 ;(

    • @koficrusher1885
      @koficrusher1885 3 роки тому +2

      @@griffparker3003 ily bby

  • @Earl466
    @Earl466 Рік тому +20

    POV: You have your biology exam in 3 days and are going to binge watch the entire biology exam topics

    • @hhhlion
      @hhhlion Рік тому +1

      😂😂😂😂factsss

    • @heyhey-xw5qh
      @heyhey-xw5qh Рік тому +1

      me but it’s 10pm and my exam is tomo

    • @shoopwoopy9389
      @shoopwoopy9389 Рік тому +1

      its literally the morning of and im still watching these 💀💀 good luck

  • @M0psyd
    @M0psyd 2 роки тому +26

    Good luck for this Tuesday everyone!

  • @royaltinman2226
    @royaltinman2226 5 років тому +4

    Thank you for the videos, they are really helpful in understanding what's what in each subject while being clear and easy to understand.

  • @charleyanne1913
    @charleyanne1913 5 років тому +35

    Only you can save me now

  • @Radiant100
    @Radiant100 3 роки тому +15

    Hey Last minute gang. Good Luck!

  • @user-saraswatidevi
    @user-saraswatidevi Рік тому +5

    We watch these vids in school now I'm watching them at home because exams are tomorrow

  • @user-jq5fp3hk8b
    @user-jq5fp3hk8b 7 місяців тому +3

    i got all 9 in my scients all bc of you

  • @irfanamir8704
    @irfanamir8704 4 роки тому +1

    very easy to learn from your videos ,i normally watch your videos first then reading my text book.
    thank you so much

  • @strawberry942
    @strawberry942 4 роки тому +4

    As instructed by my teacher in my online homework task, I express my deep appreciation for your content and dulcet Welsh tones.

  • @ashr6295
    @ashr6295 Рік тому +3

    I have my exam this morning, you’ve helped me a lot over the course. Thank you!

  • @egoista5916
    @egoista5916 2 роки тому +6

    Good luck to everyone sitting 2022 exams !!

  • @lawrencia5099
    @lawrencia5099 Рік тому +1

    Thank you for helping me with science it has been a struggle science used to be my weakest until I came across your channel i finally got my gcse results and came out with a 5-5 in combined science foundation for the first time getting a complete 5-5 thanksss

  • @hurricanetortilla4399
    @hurricanetortilla4399 5 років тому +68

    Last min revision 2019 anyone?

  • @txstatix4282
    @txstatix4282 11 місяців тому +3

    Saving 2023 gcse students - exams in less than 1 hour

  • @faeezahahmed995
    @faeezahahmed995 2 роки тому +1

    mocks coming up in 2 weeks this guy is literally helping me through it i don't remember a single thing from yr 8 and 9 tbh

  • @harrygeorgebray6386
    @harrygeorgebray6386 5 років тому +7

    You're a great man who has changed the world for teenagers

  • @user47nxw
    @user47nxw Рік тому +1

    It’s a tradition for me to come back to his videos and see all the yr11s commenting… I’ve been doing that since yr7 and have my GCSEs next year ..

  • @footl1fe48
    @footl1fe48 5 років тому +6

    It's people likes this that deserve to Knited Thankyou sir for saving my education

  • @omaral-saigh5593
    @omaral-saigh5593 3 роки тому +13

    Last-minute revision for Year 10 Bio Exam. Great explaining!

    • @xheat
      @xheat 2 роки тому

      exactly

    • @mrkilic0089
      @mrkilic0089 Рік тому +2

      GCSEs now my bro come rewatch 😂😂

  • @aaronpittman1907
    @aaronpittman1907 5 років тому +3

    You are a life saver I had no idea how to revise science so I watched your videos and wrote notes on the topics of paper 1 biology

  • @chisomchristopher8611
    @chisomchristopher8611 2 роки тому +1

    he is so good , i understood everything he said more than my own science teachers .

  • @kritzkriieg
    @kritzkriieg 2 роки тому +6

    one of my old science teachers swore against this dude. now i know that she was scared of him taking over her entire career.

  • @hazarabros584
    @hazarabros584 3 роки тому +8

    In the AQA approved book for cell division it has a practical called ‘Observing cell division’ do i need to learn this?

  • @Novusa
    @Novusa 11 місяців тому +2

    Doing my mocks, good luck for the year 11s out there, doing my first set of year 10 mocks, I had my biology science today, suprisly easy but our teahxer said we can contribuye Friday , needed to revise cell cycle

  • @Redhoodsw.28
    @Redhoodsw.28 3 роки тому +1

    I've learned a lot from this video. Thank you so much!

  • @DaweedDrips
    @DaweedDrips Рік тому +1

    biology exam tomorrow morning, im watching your whole bio playlist. saviour

  • @trace9642
    @trace9642 11 місяців тому

    Biology paper 1 tomorrow good luck everyone and we are all grateful to you, you legend!

  • @ZACHATTACK234
    @ZACHATTACK234 10 місяців тому +1

    This man. This man is literally my hero.

  • @lawrencia5099
    @lawrencia5099 2 роки тому +2

    Literally you are the best Thanks so much I learn a lot of your videos 💘💘

  • @woknow9356
    @woknow9356 Рік тому +1

    Legit binge watching this guy

  • @decluff5081
    @decluff5081 2 роки тому +1

    why go to science lessons when u have this man to teach you it all 🐐

  • @denisa9347
    @denisa9347 3 роки тому +1

    I'm relying on this channel to help me pass my GCSEs

  • @wiseoldelf6046
    @wiseoldelf6046 29 днів тому +2

    2024 AND THIS GUY STILL AT IT 😃

  • @joshabraham966
    @joshabraham966 6 років тому +5

    Thank you for these videos, they are so much more helpful than almost all the textbooks we have. Do we need to know about prophase, metaphase etc if we are doing AQA higher tier?

  • @dahlia5644
    @dahlia5644 2 роки тому +7

    Hi sir, interesting video. I'm just curious as to how does the cells know when to stop dividing, i know that uncontrolled cell division is cancer but even then, how did they cause the cell to keep dividing uncontrollably?

  • @jackelineparreno6788
    @jackelineparreno6788 10 місяців тому

    You're so good at what you do thank you so much!!

  • @owaisali8344
    @owaisali8344 16 днів тому +2

    You didn’t speak about the stages name of the cell cycle eg cytokinesis etc do we need to know that ?

  • @sillygewse
    @sillygewse 2 роки тому

    revising for my mocks rn you are saving my life

  • @TearOfficialYoutube
    @TearOfficialYoutube 6 років тому +189

    Take a shot every time he says chromosomes

    • @prodbypronce9665
      @prodbypronce9665 6 років тому +20

      We're trying to revise not get drunk lool

    • @Lathburn
      @Lathburn 5 років тому +8

      Take a shot every time his eyebrows go up

    • @r.crises3612
      @r.crises3612 5 років тому +1

      I told my older cousin to do it and he said na I can't anymore causeI'm gonna vomit

    • @jessduncan7649
      @jessduncan7649 3 роки тому +6

      At least if we die of alcohol poisoning then we won’t have to do our GCSE’s

  • @camtill
    @camtill 2 роки тому

    gonna go college next year doing animal management and to be honest the only school subject (to me) that was actually intresting is science and theres alot of A level Biology in the course animal management. with that said imma be so happy not revising maths next year but im still gonna watch these types of vids, thanks for making my life easy mate :)

  • @christinacharalambous3333
    @christinacharalambous3333 6 років тому +183

    WHO HAS BIOLOGY PAPER 1 TOMORROW??

  • @riley7043
    @riley7043 Рік тому +1

    i have my biology mocks in an hour. this is the only way i’ll pass

  • @Claudia-df3xi
    @Claudia-df3xi 5 років тому +8

    Tip: put the speed of the video on 0.75x so you can understand all the information

    • @arakurd6351
      @arakurd6351 4 роки тому

      thats an awful tip as u waste more time; if anything, you should speed it up so you can get more revision done - its still understandable on 1.4x speed

  • @drkureacts386
    @drkureacts386 2 роки тому +2

    Bro this guy is always in my science lesson on the monitor

  • @caitlinmanley8624
    @caitlinmanley8624 2 роки тому +1

    thank you so much this has been more helpful than my actual teacher

  • @user-hi8bi1ym4w
    @user-hi8bi1ym4w 2 роки тому +4

    My first science gcse paper is on Tuesday

  • @felixfoxplays804
    @felixfoxplays804 Рік тому

    Thanks a bunch you are huge help especially if you just had an exam for a different subject and science is the next day you allow me to revise even when my brain is scrambled egg

  • @angelstarfire
    @angelstarfire 6 років тому +3

    Thank you so much! Have been binge watching your videos, they're so helpful!

    • @Freesciencelessons
      @Freesciencelessons  6 років тому +6

      Thanks for the comment. I'm glad that the videos are helping.

  • @isobelgrace9958
    @isobelgrace9958 2 роки тому

    thankyou, this helped me understand cell division because we have started genes etc

  • @hazarabros584
    @hazarabros584 3 роки тому +2

    In the Aqa approved book (i have diffferent accounts to ask questions and this is how i always start it you may know me)It says that the lenght of the cell cycle varies and how it grows do i need to know this for the exams for this topic specifically?

  • @user-human2023
    @user-human2023 Рік тому +6

    I JUST HAD MY EXAM AND BIG THANKS TO YOU I DID WELL❤🎉

    • @Freesciencelessons
      @Freesciencelessons  Рік тому +3

      Thanks for the comment. I'm happy to have helped.

    • @5sundus
      @5sundus Рік тому +2

      DID U DO AQA COMBINED TRILOGY HIGHER?!!

    • @domlapss
      @domlapss 11 місяців тому +2

      @@5sundus i do aqa and my biology paper 1 is next week

    • @M0Hamza9
      @M0Hamza9 11 місяців тому +2

      @@5sundus that’s on Tuesday

    • @mattm7777
      @mattm7777 11 місяців тому +1

      you already had your exam?

  • @yusufA5
    @yusufA5 Місяць тому +3

    Its that time of year these vids are gonna blast in views😂 2024 gsces

  • @alyx69420
    @alyx69420 2 роки тому +3

    this channel is a live saver!
    i forgot about my test today
    (im doing triple science and i need to maintain scores with 7 - 9)

  • @israe1806
    @israe1806 4 роки тому +3

    This is my class work for lockdown

  • @pancake-kun9919
    @pancake-kun9919 5 років тому

    This guy is an absolute unit

  • @benrowley1131
    @benrowley1131 5 років тому +11

    AQA Biology GCSE tomorrow squad Where you at?

  • @lewruru5116
    @lewruru5116 6 років тому

    thankk youuu sooo mucchh, i learnt more from u than my science teacher.. hes bad at explaining. thank youu

  • @harniethiyohupillai5096
    @harniethiyohupillai5096 5 років тому +29

    watching this in x1.25 speed to cram in all the last minute revision.

    • @blue2003_1
      @blue2003_1 5 років тому +2

      im watching this x1.5

    • @konradw360
      @konradw360 4 роки тому +2

      im watching this x2

  • @archives1485
    @archives1485 6 років тому +4

    Yet again, thank you, Sir!

  • @names_r_overrated
    @names_r_overrated Рік тому +1

    yooo i luv this guy, cuz i can say i revised cuz i was playing his vid while on discord

  • @matthewsant4439
    @matthewsant4439 3 роки тому +3

    we love you bro

  • @s.r5394
    @s.r5394 6 років тому +5

    The AQA spec says we should know three overall stages of the cell cycle. Would these be 1. dna replication, 2. cell growth, 3. mitosis?

  • @oliviaelliott1333
    @oliviaelliott1333 6 років тому +1

    Thanks so much! Very useful.

  • @paulasilva8920
    @paulasilva8920 4 роки тому +18

    How many time does he lift his eyebrow like does anyone realise 😂😂😂

    • @MintyMinho
      @MintyMinho 2 роки тому

      lmaooo

    • @lambbiryani
      @lambbiryani 2 роки тому

      @@MintyMinho your profile picture is amazing 🥲

  • @arakurd6351
    @arakurd6351 4 роки тому +13

    dont we need to know the names of the stages of mitosis e.g. prophase, metaphase etc

  • @backupacc8167
    @backupacc8167 5 років тому +42

    who else is binge watching for tomorrow...

  • @Elijah-qx3qn
    @Elijah-qx3qn 5 років тому +3

    If you go on the playlists on learn every video for all 6 papers trust me you will get a good grade no matter what ( my target grade was a 3 and I got two 8s just from watching these amazing videos)

  • @daniellloyd1801
    @daniellloyd1801 6 років тому +66

    What up to my last minuters

  • @jessicahelfgott7455
    @jessicahelfgott7455 6 років тому

    Is AQA similar to Edexcel? Am I missing out key information if I'm doing Edexcel or are they the same for the most part. Thank You for your help!

  • @ahmedk20mod78
    @ahmedk20mod78 2 роки тому +2

    Nice video mate keep it up !!! 👍

  • @gggg-ck4rn
    @gggg-ck4rn 5 років тому +1

    URGENT Please help! In my textbook it says "One set of chromosomes is pulled to each end of the cell." It then proceeds to say in the next step "The nucleus divides.". Shouldn't the nucleus divide first to allow the chromosomes to line up at the centre?

  • @xsnipezz_
    @xsnipezz_ Рік тому +1

    This guy is gonna save my life tomorrow

  • @luxi_0oo947
    @luxi_0oo947 2 роки тому +2

    just saying my guy you are a hero