Question

In order to enter cells and be useful to the body,

starch must be
(1) absorbed through the skin
(2) broken down into fats and water
(3) digested into simple sugars
(4) converted to carbon dioxide and ATP

Answer 1

3 - Digested into simple sugars

Answer 2

3 - Digested into simple sugars
Starch is a complex carbohydrate and for it to be useful it must be converted into a simple sugar ie glucose for respiration to occur in cells.