Biology Forum › Community › General Discussion › How to know what cells need?
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- April 14, 2010 at 3:30 am #13098
ellenParticipantHow to know that cells need protein, carbohydrates, and fats to survive? We can’t see protein, so how do we know?
And how have we come to know that protein is one of the building blocks of life?
- April 14, 2010 at 11:24 pm #99004plasmodesmata11Participant
it’s because we can isolate them from the cell. There are some AAs that a cell cannot manufacture, so it needs to obtain them from the environment. If scientists do not give the cell a certain protein, it will die. If they provide it, however, it will survive. this goes with many things, including carbs and lipids.
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