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Search results

  1. N

    BIO PPR 1 V1 <3

    its answer is B!!!!!!! whohooo only genes not environemnt
  2. N

    BIO PPR 1 V1 <3

    ok i need to chill im getting tensed because of the number of question i did that arent right,... got to practice for my LAST IGCSE exam (inshAllah) ever, chemistry
  3. N

    BIO PPR 1 V1 <3

    pupil changes size wen the iris muscles contract or relax and the question didnt point to the iris. Khalas
  4. N

    BIO PPR 1 V1 <3

    ciliary body has circular, longi and radial muscles, according to wikipedia. OK so for accomodation, the ciliary BODY contracts meaning all those muscles contract. com on its so obvious, if the Pupil size changes, its because of the muscles in THE IRIS NOT THE ciliary body
  5. N

    BIO PPR 1 V1 <3

    not environment but the other one
  6. N

    BIO PPR 1 V1 <3

    you are right
  7. N

    BIO PPR 1 V1 <3

    "The ciliary body is a ring of muscle that controls the shape of the lens to allow focusing". Dude ur contradicting ur statement with what wiki says.
  8. N

    BIO PPR 1 V1 <3

    im sure if someone loses a total of 40 they'll get an A*
  9. N

    BIO PPR 1 V1 <3

    definitelly population pyramid
  10. N

    BIO PPR 1 V1 <3

    they decompose the organic matter
  11. N

    BIO PPR 1 V1 <3

    D replaces minerals to the soil
  12. N

    BIO PPR 1 V1 <3

    in my guide book for bio, the ciliary muscles contract and make the lens thicker. (in the question, it clearly pointed the ciliary muscle near the lens). The book also says that for pupil reflex, the iris muscles contract to make the pupil smaller. the point is that the line didnt point to the...
  13. N

    BIO PPR 1 V1 <3

    that necessarily doesnt mean active transport ....
  14. N

    BIO PPR 1 V1 <3

    which q was this?
  15. N

    BIO PPR 1 V1 <3

    rbcs are concave? wasnt it that they have no nucleus
  16. N

    BIO PPR 1 V1 <3

    in peristalsis muscles contract....muscles need energy to contract and relax
  17. N

    BIO PPR 1 V1 <3

    active transport?
  18. N

    BIO PPR 1 V1 <3

    this question is related to accomodation, not pupil reflex
  19. N

    BIO PPR 1 V1 <3

    the lens is affected, not the iris. If the iris changes, the pupil changes.
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