Cellular Respiration

1. an electron carrier, nicotinamide adenine dinucleotide
3. the organelle in which the Krebs cycle takes place
5. the end product of glycolysis
8. the process in which one molecule of glucose is broken in half, producing two molecules of pyruvic acid
9. a molecule that carries carbon atoms into the citric acid cycle
12. this molecule is broken down during glycolysis
13. releases energy from food molecules by producing ATP in the absence of oxygen
15. the amount of energy needed to raise the temperature of 1 gram of water 1 degree Celsius

2. a word that "with oxygen"
4. this gas is released as a waste product of cellular respiration
6. glycolysis and fermentation take place here
7. cellular _______ , the process that releases energy by breaking down glucose and other food molecules
10. _________ transport chain, uses the high-energy electrons from the Krebs cycle to convert ADP into ATP
11. a word that means "without oxygen"
14. the Krebs cycle produces 28 of these energy molecules