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Biologi Tingkatan 4

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Aishah Khalid

on 21 March 2015

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Transcript of Biologi Tingkatan 4

Biologi Tingkatan 4
4.1 Komposisi Kimia dalam Sel
Semua benda hidup dan bukan hidup terdiri daripada unsur.
Unsur - satu jenis atom yang tidak boleh dihuraikan kepada bahan yang lebih ringkas melalui tindak balas kimia .
Terdapat 25 unsur utama yang penting untuk benda hidup.
BAB 4 : KOMPOSISI KIMIA DALAM SEL
Nukilan :
Aishah Binti Khalid
ebbmsmkrahmat.blogspot.com
Unsur-Unsur Surih
Zink
Ferum
Mangan
Kobalt
Kuprum
Iodin
Boron
Kromium
Molibdenum
Selenium
Fluorin
Unsur-Unsur lain
Kalsium 1.5%
Fosforus 1.0%
Kalium 0.4%
Sulfur 0.3%
Natrium 0.2%
Klorin 0.2%
Magnesium 0.1%
Full transcript