How can you tell by an example that it is an unsaturated fat

Gram-negative bacteria have a cell wall that is! and does not accept the stain, making itappear

Ihave made a synthetic cell by placing a solution that is 10% sodium chloride inside a semipermeable membrane through which water can pass but not sodium chloride. if i place this cell into a solution that is 20% sodium chloride what will happen to the size of the cell? will it increase, decrease, or stay the same in size?

"does stress during a woman's first trimester of a pregnancy affect the infant's birth weight? " is a