Characteristics of Bacteria: <Tab/>Bacteria are all around us, everywhere in the world. In fact, the only way to avoid bacteria is to live in a totally sterile environment. There are 3 things bacteria needs in order to live: water, warmth and food. Without these three things, the bacteria become idle, until water, warmth and food arrives. Then they grow and increase rapidly, using up the resources. Bacteria are also very adaptable …showed first 75 words of 591 total…

…showed last 75 words of 591 total…go straight through the protein with passive transportation, but for the larger molecules, the protein use ATP to force the larger molecules in or out of the cell using active transportation. Receptor proteins bind and hang on to substances out of the cell. Phospholipids make up the lipid bilayer which makes up the cell membrane. The carbohydrates let the membrane be flexible, yet sturdy. These 3 key elements of a cell help keep the cells alive.