What makes up the cell membrane

The cell membrane is made up of a phospholipids that are arranged into two layers which are called lipid bilayer.

the "dirty dozen" chemicals banned in an international treaty are formally known as persistent organic pollutants, or pops. the united nations environment program provided this background on what they are and what they can do to humans and wildlife.

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check for the pregnancy rating of drug. if its class c or d see if other alternatives