Transport Proteins on Strike.docx - 1 The phospholipids are...

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1. The phospholipids are members of the membrane, and they allow some things to pass while other things cannot. 2. If the aquaporins shut down, water is in trouble too. Aquaporins are water channels that help water pass through the cell membrane, which then allows for the water to be transported between cells. Water can also dissolve through the phospholipid bilayer, but this is not efficient as it takes a long time. 3. Glucose and amino acids use transport proteins specifically to transport their molecules. 4. Water and Carbon Dioxide could not make the same claim as glucose and amino acids because they, on occasion, can pass through the lipid bilayer without needing a transport protein. 5. The respiratory and circulatory systems are involved in gas exchange. Simple diffusion is used for gas exchange. This process is best because it means both liquids and gases can

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