Wednesday 13 February 2013

2.21 understand that plants require mineral ions for growth and that magnesium ions are needed for chlorophyll and nitrate ions are needed for amino acids

As well as water and sunlight, plants require mineral ions to grow. Different mineral ions do different things, two key examples of this are that: magnesium ions are needed for chlorophyll; nitrate ions are needed for amino acids. You simply need to learn this.
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12 comments:

  1. Dennis18 December 2015 at 02:31

    Thanks. Guess I can call u a helping han

    ReplyDelete
  2. Unknown17 January 2016 at 06:50

    Mocks Tomorow...

    ReplyDelete
  3. Unknown22 May 2016 at 09:26

    these are all so helpful your helping me pass my end of year 9 exams so happy, going to try and get top set for gcse biology!

    ReplyDelete
    Replies
    1. Unknown20 July 2016 at 06:41

      Good luck!

      Delete
    2. Unknown31 May 2017 at 14:38

      if ur already revising at year 9 I'm sure will have done ;)

      Delete
  4. Unknown31 May 2017 at 14:55

    id add this:nitrate - for making amino acids, which are needed to make proteins
    magnesium - for making chlorophyll
    If a plant does not get enough minerals, its growth will be poor. It will suffer from deficiency symptoms:
    deficient in nitrate - it will suffer from stunted growth
    deficient in magnesium - its leaves will turn yellow

    ReplyDelete
  5. Mike Tsang26 June 2017 at 02:41

    The Biology Syllabus has changed.... New Syllabus Blog:

    http://igcse-biology-2017.blogspot.hk

    ReplyDelete
  6. SophieRice26 June 2017 at 07:44

    look at

    http://igcse-biology-notes.blogspot.hk/2017/06/221-understand-that-plants-require.html

    ReplyDelete
  7. Unknown28 July 2020 at 06:01

    hi im doing single sciences for gcse will this website do ?
    as its the only good one i can find

    ReplyDelete

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