Answer:
1. When you eat, you take in large molecules called "macromolecules" which make up building blocks that you can absorb into the bloodstream, and that your cells burn for energy.
2. Sugar molecules - Glucose, Amino Acids - Proteins, Fatty Acids - Fat
3 - 5 seems like answers you have to do yourself, but if you really need help just comment and I'll edit this!
Explanation:
Answer:
DNA is copied, checked for errors, and packaged neatly before cell division.
Explanation:
1- Paleozoic era
2- mesozoic era
3- Cenozoic era
