話説兼職芒果在這67 天以來，向大家分享了一些化學和經濟的知識，但其實兼職芒果也是一個有讀生物的芒果，而且後天就要小考了。今天想爲分享 cell membrane!
Cell membrane131Please respect copyright.ＰＥＮＡＮＡ96um6zLuKu
all cells whether they are prokaryotic or eukaryotic have a cell membrane131Please respect copyright.ＰＥＮＡＮＡO6EiSIN9BE
components: phospholipid and proteins 131Please respect copyright.ＰＥＮＡＮＡWOjibZ9pza
structure : phospholipid are arranged in a bilayer 131Please respect copyright.ＰＥＮＡＮＡBxKkEo3hNu
with the hydrophobic head point outwards and the hydrophobic tails pointing towards the centre of the phospholipid bilayer
the characteristics of cell membrane are as follows :
1. fluid nature 131Please respect copyright.ＰＥＮＡＮＡBH3doO7iUm
phospholipid and proteins are able to move laterally 131Please respect copyright.ＰＥＮＡＮＡX6rcZRA5gf
2. mosaic pattern 131Please respect copyright.ＰＥＮＡＮＡ1EYKDVKxXC
protein are embedded or interspersed in the phospholipid bilayer 131Please respect copyright.ＰＥＮＡＮＡpbdlPfWUPa
3. asymmetric pattern 131Please respect copyright.ＰＥＮＡＮＡC87QcFT2tG
composition and orientation of protein are different with respect to two sides of the bilayer.
*Glycoproteins (protein with saccharides attached) are only found on the external surface)
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