Transport and Bacterial Cells Uptake of Nutrients and Key molecules. Microbiology 2008. What molecules are needed by the cell. Carbon source( CO2, CH4, organic molecules) Nitrogen source( nitrogen compounds) amino acids , ammonia or ammonium Energy source. Passive Transport.
Transport and Bacterial CellsUptake of Nutrients and Key molecules
( water potential) and lower solute
Isotonic – equal concentration of solute on both sides of a membrane