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building block o fproteins
this muscle 'opens' or straightens the joint when it contracts (so the angle between the two...
membrane-bound compartments inside chloroplasts and cyanobacteria. They are the site of the...
the destruction of a donated organ by the immune system of the recipient.
the active maintenance of the correct balance of water and solutes in the blood and tissue fluid...
a complex chemical compound that fills the spaces in the cell wall between cellulose, ...