Heterotrophs take in mass in the form of food. food is either used to build molecules within the body or as fuel for cellular respiration. if used for cellular respiration, this mass will eventually be converted into carbon dioxide, and

creative diagnostics provides a protocol for total protein extraction based on ripa which is widely used.

if you look up in the top right corner you'll see your current profile picture, click than click "view profile" you'll be able to change it there.

i got you i did it ya know what it is just needing to fill this in for a quick task!