Answer:
External factors include physical and chemical signals. Growth factors are proteins that stimulate cell division. – Most mammal cells form a single layer in a culture dish and stop dividing once they touch other cells.
Explanation:
From Google
When that bacteria changes in some way that reduces or eliminates the use of the drug.
<span>connective epithelial muscular <span>nervous</span></span>
Fluid means being able to move, relating to the membrane as it can freely move allowing molecules in and out. The word mosaic means something of many different components which also relates to the plasma membrane as it consists of phosphates glycoproteins, cholesterol and integral proteins.
