What is NOT true about Pure substances. O they can be elements or compounds
O they can be homogeneous or heterogeneous
O they are made of only one type of matter
O all of the statements are true

answer:   option a) glucagon was secreted by his pancreas before he ate the cookies because blood glucose was low. insulin was secreted after he ate the cookies because his blood glucose was high.

explanation:

as many times as you want

the cells uses some of the atoms of the glucose molecules to atp molecules. the atoms of the glucose molecules will then be converted into energy which will be eventually stored in atp. the energy produced which are stored in atp are coming from the glucose’s chemical bonds.