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? 2006-2007

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

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

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

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

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

How do we make these molecules? We build them! 2006-2007

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

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

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

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

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

Example of digestion starch glucose ATP ATP ATP ATP ATP ATP ATP ___________________________________________

Example of synthesis amino acids protein __________________________________________ ____________________________________________________________

Any Questions? Penguins gone bad!