Eelecrochemical gradient consists of more na+ outside of the cell than inside of the cell and more k+ inside of the cell than outside of the cell. what type of transport mechanism is this

Describe the function of the endomembrane system? what organelles are involved?

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.

Which of the following can occur to two segments of a population if they are geographically isolated 1.) they can only share some types of genes 2.)both groups most likely become extinct 3.)they find a way to come back together 4.)eventually they become separate species