Mr Howe Biology
Mr Howe Biology
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The WHOLE of PHOTOSYNTHESIS AQA A-Level Biology
A-Level Biology - Photosynthesis
The whole of photosynthesis in one video! I will cover the light dependent reaction, the light independent reaction and limiting factors that affect the rate that photosynthesis occurs. Learn all about chloroplast structure, cyclic and non-cyclic photophosphorylation, the Calvin cycle and how practical questions can come up in the exam.
I'll take you through exactly what you need to know to smash your exams.
Subscribe and turn on notifications for more help with your exams 🔔
Instagram:
@Mr_Howe_Biology
Twitter:
@MrHoweBiology
Image credits:
commons.wikimedia.org/wiki/File:Photosynthesis_Block_diag.gif
commons.wikimedia.org/wiki/File:Simple_photosynthesis_overview.svg
commons.wikimedia.org/wiki/File:Figure_08_01_05.png
commons.wikimedia.org/wiki/File:Calvin-cycle4.svg
nara.getarchive.net/media/portrait-of-dr-melvin-calvin-nobel-laureate-professor-of-physics-and-director-208b4c
Переглядів: 2 316

Відео

The Control of Heart Rate AQA A-Level Biology
Переглядів 1,9 тис.Рік тому
AQA A Level Biology - The Control of Heart Rate. Learn about the steps involved in controlling heart rate! I'll take you through exactly what you need to know to smash your exams. Subscribe and turn on notifications for more help with your exams 🔔 Image Credits: File:Anatomy of the Heart.jpg - Wikimedia Commons Image from page 34 of "Psychology and the school" (1921) | Flickr
Receptors AQA A-Level Biology
Переглядів 917Рік тому
AQA A Level Biology - Receptors. Learn about how receptors detect stimuli. I'll take you through photoreceptors including the rods and cones and the pacinian corpuscle which is a mechanoreceptor in your skin! I'll take you through exactly what you need to know to smash your exams. Subscribe and turn on notifications for more help with your exams 🔔 Image Credits: commons.wikimedia.org/wiki/File:...
Taxis and Kinesis AQA A-Level Biology
Переглядів 1,9 тис.Рік тому
AQA A Level Biology - Taxis and Kinesis. Organisms respond to changes in their internal and external environment. Taxis and kinesis are two ways in which organisms respond to move to more favourable environments. I'll take you through exactly what you need to know to smash your exams. Subscribe and turn on notifications for more help with your exams 🔔 Image Credits: freesvg.org/petri-dish-15262...
Extended Response Question - SPINDLE FIBRES in MITOSIS AQA A-Level Biology
Переглядів 3872 роки тому
Learn how to ace long answer questions on mitosis. What is the role of the spindle fibres in mitosis? I'll take you through exactly what you need to know to smash your exams. Subscribe and turn on notifications for more help with your exams 🔔
Extended Response Question - The Return of TISSUE FLUID AQA A-Level Biology
Переглядів 4892 роки тому
Learn how to master the long answer questions and improve your knowledge of how tissue fluid returns to the circulatory system! I'll take you through exactly what you need to know to smash your exams. Subscribe and turn on notifications for more help with your exams 🔔
Extended Response Question - Glycogen Structure and Function AQA A-Level Biology
Переглядів 4552 роки тому
Improve your exam technique with this question walk through. It's all about the structure and function of glycogen. I'll take you through exactly what you need to know to smash your exams. Subscribe and turn on notifications for more help with your exams 🔔
The Circulatory System AQA GCSE Science/ Biology
Переглядів 1892 роки тому
Learn how to draw and label the heart and be able to describe and explain the human circulatory system. I'll take you through exactly what you need to know to smash your exams. Subscribe and turn on notifications for more help with your exams 🔔 Instagram: @MrHoweBiology Twitter: @MrHoweBiology Image credits commons.wikimedia.org/wiki/File:Heart_labelled_large.png
DNA Probes, Hybridisation, Genetic Counselling & Personalised Medicine AQA A-Level Biology
Переглядів 7392 роки тому
A-Level Biology - Differences in DNA between individuals of the same species can be exploited for identification and diagnosis of heritable conditions Learn about gene probes, fluorescent markers, radioactive markers, microarrays, DNA hybridisation, genetic counselling and personalised medicine! I'll also take you through some exam technique to show you how to apply this knowledge effectively t...
Natural Selection AQA A-Level Biology
Переглядів 4642 роки тому
A-Level Biology - Natural Selection Learn about variation, natural selection, disruptive selection, stabilising selection, directional selection, birth weight and antibiotic resistance. Then see how to apply this knowledge to exam questions! I'll take you through exactly what you need to know to smash your exams. Subscribe and turn on notifications for more help with your exams 🔔 Image Credits:...
The Hardy-Weinberg Principle AQA A-Level Biology
Переглядів 7232 роки тому
A-Level Biology - The Hardy-Weinberg Principle/ The Hardy-Weinberg Equilibrium In this video I'll cover what the Hardy-Weinberg principle is and how you can answer tricky questions on this topic in the exams. I'll take you through exactly what you need to know to smash your exams. Subscribe and turn on notifications for more help with your exams 🔔
BINARY FISSION AQA A-Level Biology 2022
Переглядів 4,4 тис.2 роки тому
A-Level Biology - Binary Fission Binary fission is the process by which prokaryotic cells replicate! I'll take you through exactly what you need to know to smash your exams. Subscribe and turn on notifications for more help with your exams 🔔 Image Credits: commons.wikimedia.org/wiki/File:Binary_Fission_2.svg
ANAEROBIC RESPIRATION Lactate ad Ethanol Pathways AQA A-Level Biology
Переглядів 6812 роки тому
A-Level Biology - Respiration - Anaerobic Learn about the lactate and ethanol pathways and see how to APPLY your knowledge in the exam. I'll take you through exactly what you need to know to smash your exams. Subscribe and turn on notifications for more help with your exams 🔔 Instagram: @MrHoweBiology Twitter: @MrHoweBiology
The WHOLE of MASS TRANSPORT in Animals AQA A-Level Biology (Plus Exam Practice)
Переглядів 10 тис.2 роки тому
A-Level Biology - Mass transport in animals Haemoglobin, the oxygen dissociation curve, the heart, arteries, veins, capillaries, the cardiac cycle and cardiovascular disease! I'll take you through exactly what you need to know to smash your exams. Subscribe and turn on notifications for more help with your exams 🔔 Instagram: @MrHoweBiology Twitter: @MrHoweBiology Image credits: commons.wikimedi...
AEROBIC RESPIRATION Oxidative Phosphorylation/ The Electron Transfer Chain AQA A-Level Biology
Переглядів 1,1 тис.2 роки тому
A-Level Biology - Respiration - Oxidative Phosphorylation Oxidative Phosphorylation involves the formation of massive amounts of ATP using reduced NAD and reduced FAD. The electron transfer chain is involved to drive protons into the intermembrane space so that a chemiosmotic gradient can be established. Hydrogen ions then flow through ATP synthase! I'll take you through exactly what you need t...
AEROBIC RESPIRATION The Krebs Cycle AQA A-Level Biology
Переглядів 1,2 тис.2 роки тому
AEROBIC RESPIRATION The Krebs Cycle AQA A-Level Biology
The WHOLE of ENERGY AND ECOSYSTEMS AQA A-Level Biology (Plus Exam Practice)
Переглядів 4 тис.2 роки тому
The WHOLE of ENERGY AND ECOSYSTEMS AQA A-Level Biology (Plus Exam Practice)
EPIGENETICS AQA A-Level Biology
Переглядів 1,1 тис.2 роки тому
EPIGENETICS AQA A-Level Biology
AEROBIC RESPIRATION The Link Reaction AQA A-Level Biology
Переглядів 6872 роки тому
AEROBIC RESPIRATION The Link Reaction AQA A-Level Biology
RESPIRATION Glycolysis AQA A-Level Biology
Переглядів 9632 роки тому
RESPIRATION Glycolysis AQA A-Level Biology
The REGULATION of TRANSCRIPTION and TRANSLATION AQA A-Level Biology
Переглядів 1,1 тис.2 роки тому
The REGULATION of TRANSCRIPTION and TRANSLATION AQA A-Level Biology
MICROSCOPES and MAGNIFICATION AQA GCSE Science/ Biology
Переглядів 1472 роки тому
MICROSCOPES and MAGNIFICATION AQA GCSE Science/ Biology
TRANSLOCATION - The Movement of Sugar in Plants AQA A-Level Biology
Переглядів 1,1 тис.2 роки тому
TRANSLOCATION - The Movement of Sugar in Plants AQA A-Level Biology
TRANSPIRATION - The Movement of Water in Plants AQA A-Level Biology
Переглядів 1,2 тис.2 роки тому
TRANSPIRATION - The Movement of Water in Plants AQA A-Level Biology
Enzymes AQA A-Level Biology
Переглядів 4282 роки тому
Enzymes AQA A-Level Biology
PAPER 3 ESSAY - How to get an A* AQA A-Level Biology
Переглядів 8 тис.2 роки тому
PAPER 3 ESSAY - How to get an A* AQA A-Level Biology
CELL STRUCTURE Unit 1 BTEC Applied Science/ Forensic and Criminal Investigation
Переглядів 1,2 тис.2 роки тому
CELL STRUCTURE Unit 1 BTEC Applied Science/ Forensic and Criminal Investigation
MUSCLE CONTRACTION AQA A-Level Biology
Переглядів 1,8 тис.2 роки тому
MUSCLE CONTRACTION AQA A-Level Biology
CELL STRUCTURE AQA GCSE Science/ Biology
Переглядів 1162 роки тому
CELL STRUCTURE AQA GCSE Science/ Biology
How to stop procrastinating and study
Переглядів 1332 роки тому
How to stop procrastinating and study

КОМЕНТАРІ

  • @reoqq3842
    @reoqq3842 40 хвилин тому

    9:15. Sir How did u get these answers? I did ur working out on my calculator and got 27.85 for the first one. Pls help

  • @fattypatty06
    @fattypatty06 20 днів тому

    thnx dawg🙏🙏

  • @cryolar
    @cryolar 20 днів тому

    george john paul and ringo lmao

  • @BeaBakes-s9z
    @BeaBakes-s9z 21 день тому

    Please turn the music down as it’s very distracting and I can barely hear you

  • @plushxwebtoon
    @plushxwebtoon 22 дні тому

    YOU MAKE ME LIKE BIOOLGY~!!

  • @Beautifulday1231r
    @Beautifulday1231r 26 днів тому

    Tysm goat videos as all way hopefully more vids to come sir

  • @user-td1pf4rx3d
    @user-td1pf4rx3d Місяць тому

    pedo

    • @MattFromWiiParty
      @MattFromWiiParty 5 днів тому

      That is not nice. Don’t accuse random people he is trying to educate people.

  • @saradanese7808
    @saradanese7808 Місяць тому

    brilliant diagrams thank you!

  • @AA-pk8zk
    @AA-pk8zk Місяць тому

    Thank you!

  • @GregoryEvian
    @GregoryEvian Місяць тому

    Thanks you for helping. I have shown this to my classmates in Israel and they say it have helped them. Thank you good sir

  • @averymadson4334
    @averymadson4334 2 місяці тому

    this is super helpful , thank you !!

  • @pablodiaz6660
    @pablodiaz6660 2 місяці тому

    I have seen on many other diagrams and other exam questions that the H+ ions are actively transported into the space between companion cell and sieve tubes, not the source cell and companion cell as you have it.

  • @keiras1898
    @keiras1898 2 місяці тому

    Do you have a definition of what Mass Transport system is and its function?

  • @marykateb3863
    @marykateb3863 2 місяці тому

    Not British but this is so good for ap bio

  • @TheChArLeYyo129
    @TheChArLeYyo129 3 місяці тому

    Why do U not teach me

  • @donatwum9753
    @donatwum9753 3 місяці тому

    Too underrated, amazing video!

  • @nsisongjennylinus6208
    @nsisongjennylinus6208 5 місяців тому

    ❤great video

  • @piyasenamala3445
    @piyasenamala3445 5 місяців тому

    Thank you sir

  • @TheChArLeYyo129
    @TheChArLeYyo129 5 місяців тому

    MR HOWE🗣️🔥🔥

  • @homairab
    @homairab 6 місяців тому

    Where does dcpip come into this practical 03:45

  • @benjiflay
    @benjiflay 6 місяців тому

    Omg you teach at my school Hi mr howe!

  • @uhrinq6102
    @uhrinq6102 6 місяців тому

    can anyone send any already done plans for topics? wil be very helpful!

  • @ellastevens9129
    @ellastevens9129 6 місяців тому

    Just watched the whole series of these videos, they are the only thing that have fully made me understand respiration! Thank you :)

  • @mazdagreat5255
    @mazdagreat5255 6 місяців тому

    thank youuu

    • @da.jokarrr
      @da.jokarrr 6 місяців тому

      a level bio in a couple of hours !!

    • @mazdagreat5255
      @mazdagreat5255 6 місяців тому

      @@da.jokarrr howd it go g

  • @NkosingiphileGift-m4r
    @NkosingiphileGift-m4r 6 місяців тому

    Thanks a lot sir

  • @JackFearnley-lt1qd
    @JackFearnley-lt1qd 6 місяців тому

    Well done so interesting !

  • @mangopie3542
    @mangopie3542 6 місяців тому

    I’m In year 12 do you know When I should start practicing writing essays

  • @tiashadey-krishnan9629
    @tiashadey-krishnan9629 6 місяців тому

    is this paper 1 or paper 2 content?

  • @wrenclark4907
    @wrenclark4907 6 місяців тому

    great video very helpful, good luck everyone in your exams!

  • @lilpurro6430
    @lilpurro6430 6 місяців тому

    for surface area of leaf question will you have to multiply it by 2 to account for both sides?

  • @natasha80181
    @natasha80181 6 місяців тому

    I love your videos! You explain things so well thank you!

  • @laurags10
    @laurags10 7 місяців тому

    Thank you, your explanation is so helpful :)

  • @AfnanJadalllah
    @AfnanJadalllah 7 місяців тому

    love the video thanks

  • @mr.r2207
    @mr.r2207 7 місяців тому

    great video

  • @user-yl5nc6ct6l
    @user-yl5nc6ct6l 7 місяців тому

    sir did we not have to learn about the heart rate in terms of acetylcholine and adrenaline ?

    • @mr.r2207
      @mr.r2207 7 місяців тому

      I’d learn it just in case, btw it’s noradrenaline

  • @tomjohnson165
    @tomjohnson165 7 місяців тому

    Massive misconception in this video. You do not need to link between paragraphs in the Biology essay, you only need to link to the title. AQA have clarified this, so don't make the essay harder than it needs to be! Hope this helps.

  • @theaizere
    @theaizere 7 місяців тому

    hero

  • @sareesepirus8658
    @sareesepirus8658 7 місяців тому

    cheers sir

  • @missgirl7879
    @missgirl7879 7 місяців тому

    I was told we needed to know what cytotoxic cells do but not the specifics like releasing perforin?

  • @puffingamer9870
    @puffingamer9870 8 місяців тому

    Don't acetylcholine and noradrenaline come into play as well?

  • @marceledeko6030
    @marceledeko6030 8 місяців тому

    bros underrated fr

  • @RawanBadawy-gv3yb
    @RawanBadawy-gv3yb 8 місяців тому

    This was incredibly helpful thank you so much!!

  • @NkosingiphileGift-m4r
    @NkosingiphileGift-m4r 8 місяців тому

    first video for me on this channel wow you are so so amazing sir i cant wait to watch more of your videos

  • @riemashanaachandragantha4655
    @riemashanaachandragantha4655 8 місяців тому

    is there a way we could access the powerpoint?

  • @hermionegrangerboi3084
    @hermionegrangerboi3084 9 місяців тому

    Thank you ! A very clear explanation 😊

  • @user-hs5ue6tx8c
    @user-hs5ue6tx8c 9 місяців тому

    🐐

  • @mugsym2370
    @mugsym2370 9 місяців тому

    Hidden gem, deserves more viewers

  • @rileysutton9320
    @rileysutton9320 9 місяців тому

    Hi sir its one of ur students

  • @rileysutton9320
    @rileysutton9320 9 місяців тому

    Hi sir

  • @Noel_Jaco8
    @Noel_Jaco8 9 місяців тому

    Great work