Which of the following loan/credit types requires a lien on an asset of the borrower as a guarantee? O Revolving credit
O Collateralized loan
O Unsecured credit
O Installment credit

the of atp are the key to its ability to store and supply energy;

phosphate

the phosphate groups of atp are the key to its ability to store and supply energy. atp releases energy when it breaks bonds between its phosphate groups.

i would have to say i believe that it is a.