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  1. mohmed ahmed soliman

    Igcse edexcel Psychology easy??

    Can I finish igcse edexcel Psychology syllabus in one year and get a star If I took igcse biology chemistry English math and psychology or information communications technology
  2. mohmed ahmed soliman

    Uʟᴛɪᴍᴀᴛᴇ IGCSE Nᴏᴛᴇs ﹐ E﹣Bᴏᴏᴋs ᴀɴᴅ Rᴇsᴏᴜʀᴄᴇs ᴴᴰ

    i want topical pastpaper for igcse physics biology chemistry
  3. mohmed ahmed soliman

    Physics, Chemistry and Biology: Post your doubts here!

    alslam alykum, I want IGCSE biology extended curriculum topical past paper please in a pdf format
  4. mohmed ahmed soliman

    A level Biology: Post your doubts here!

    there is a phenomenon known as Haldane effect which explains the answer google it
  5. mohmed ahmed soliman

    A level Biology: Post your doubts here!

    does this answer make sense
  6. mohmed ahmed soliman

    A level Biology: Post your doubts here!

    both b and d will help in maximise uptake of oxygen as blood lows through capillaries in the lungs so they are wrong i think it could be either a or c oxy hemoglobin formation does not increase Capacity of RBCs to transport o2 but it only increase Affinity of Hb to o2 /cooperative binding so...
  7. mohmed ahmed soliman

    A level Biology: Post your doubts here!

    chloroplasts on periphery -- to absorb light more efficiently what is periphery
  8. mohmed ahmed soliman

    A level Biology: Post your doubts here!

    Discuss the effects that variations in carbon dioxide concentration and light intensity have on the rate of photosynthesis. [N’05] 1. carbon dioxide 0.03% ; 2. most likely limits / major limiting / implied low in atmosphere ; 3. increase in carbon dioxide concentration and increase in rate...
  9. mohmed ahmed soliman

    Mathematics: Post your doubts here!

    i know that in 4th quadrant cos is positive sin is negative tan is negative
  10. mohmed ahmed soliman

    Mathematics: Post your doubts here!

    i really need a tutiorial for this trigonometry question what is this trigonometry question i always leave them blank i cant find any useful totorial for this question please forward one tutorial if u have
  11. mohmed ahmed soliman

    Mathematics: Post your doubts here!

    i am taking math as that seems very advanced but anyway thanks
  12. mohmed ahmed soliman

    Mathematics: Post your doubts here!

    i took complete the square but what is this
  13. mohmed ahmed soliman

    Mathematics: Post your doubts here!

    which trigonometry formulas should i know for those qs
  14. mohmed ahmed soliman

    Mathematics: Post your doubts here!

    ok thanks but how to do part v
  15. mohmed ahmed soliman

    Mathematics: Post your doubts here!

    suppose i have 135 degree angle and i want to convert to radian i know how to do that by math but i want a faster way also how to use calculator for differentiation and ingegration qs
  16. mohmed ahmed soliman

    A level Biology: Post your doubts here!

    i think because suppose carbohydrate represents 60% of mass of a seed but when outer layer is removed , the carbohydrate will represent even a higher percentage of 80% of seed mass
  17. mohmed ahmed soliman

    A level Biology: Post your doubts here!

    what does local circuit means they always mention it in MS in how impulse in conducted along a neurone or descibe how action potential occurs
  18. mohmed ahmed soliman

    A level Biology: Post your doubts here!

    describe how resting potential is maintained across the axon membrane 12. idea of leaking k ion is responsible for resting potential 13.electrochemical gradient what does this MS points mean i thougtt that resting potential was caused by na-k pump puming 2k ion in while pumping 3 na ions out...
  19. mohmed ahmed soliman

    A level Biology: Post your doubts here!

    IN MS they write for artificial selection question avp eg. any detail of breeding technique help me to write anything for this
  20. mohmed ahmed soliman

    A level Biology: Post your doubts here!

    mp6 not clear what does it mean meiosis complete
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