What answer choice best represents the 1992 discovery that liposomes formed around organic molecules?

Pepsin is an enzyme in the stomach that breaks polypeptides into amino acids. pepsin functions best at a ph of around 1.5. what would be the most likely result if the ph of the stomach were increased to 5

The organelle pictured is found in cells of and is theorized to have once been an independent organism.

Glycogen is an energy-storage molecule in humans. a hormone that is called insulin controls the storage of glycogen in the liver. insulin is made up of amino acids.