Question : <span>Membrane proteins are among the most important proteins biologically because they allow the cells to communicate with their environments. These membrane proteins are responsible for ALL BUT which process?
Answer: </span><span>C) regulating intake of oxygen
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Bauxite.
Because bauxite it mainly aluminium oxide however with some impurities
therefore its taken to a bauxite plant where the impurities are removed and the result is white aluminium oxide ( alumina).
Aluminium is then extracted from alumina by electrolysis
Answer:
3.The plants get their energy from the sun.
4.Most of the arrows are facing the eagle.
5.The rabbits and snakes would overpopulate.
Explanation:
Purines; like adenine and guanine.