1. What are living creatures made of? Why do we have to eat?
The Chemistry of Life
What are living creatures made of? Why do we have to eat?

2. Elements of Life
96% of living organisms is made of:
_______________

3. Molecules of Life
Put C, H, O, N together in different ways to build living organisms
What are bodies made of?
_________________
sugars & starches

4. ATP Why do we eat? We eat to take in more of these chemicals
_________________________
to make more of us (cells)
for growth
for repair
calories
to make ATP
ATP

5. What do we need to eat?
Foods to give you more _____________ & __________________
for building & running bodies
________________

6. Don’t forget water ________________
65% of your body is H2O
water is ________________
doesn’t contain carbon
Rest of you is made of _______molecules
________________ molecules

7. How do we make these molecules?
We build them!

8. Building large molecules of life
Chain together smaller molecules
building block molecules = ____________
Big molecules built from little molecules
__________________

9. Building large organic molecules
Small molecules = ________________
Bond them together = _______________

10. Building important polymers
Carbohydrates = built from _______________
sugar – sugar – sugar – sugar – sugar – sugar
Proteins = built from _______________
amino
acid –
Nucleic acids (DNA) = built from ___________
nucleotide – nucleotide – nucleotide – nucleotide

11. How to build large molecules
_______________
________________________________________
building cells & bodies +
ATP

12. How to take large molecules apart
_______________
________________________________
getting raw materials
for synthesis & growth
making energy (ATP)
for synthesis, growth & everyday functions +
ATP

13. Example of digestion starch glucose ATP ATP ATP ATP ATP ATP ATP
___________________________________________

14. Example of synthesis amino acids protein
__________________________________________
____________________________________________________________

15. Any Questions?
Penguins gone bad!