What else do the organisms do with the food they ingest besides maintaining bio mass and waste production?

The earth's polarity has switched many times through history as evidence by what wh the earth clorets he has switched many times throughout history as evidence by what

One important development during the 3rd trimester that will insulate the infant against changes in temperature is a. the deposition of fat under the skin b. the closing of the septum between c. the atria of the heart d. the beginnings of lung functioning e. the beginnings of light and sound sensing

Which macromolecule catalyzes chemical reactions this be considered enzyme chemical reactions thus he considering enzymes