Kyla 7 Extra Credit

2. a crucial four-carbon molecule in cell metabolism
3. An enzyme converts 3C pyruvic acid into another 3C compound called lactic acid
5. 2 Acetyl CoA (from the two pyruvic acids created in glycolysis) so cycle turns twice
6. a crucial biological barrier, most notably the folded membrane inside mitochondria
9. process of cells breaking down organic compounds to produce ATP
11. a crucial three-carbon molecule and the end product of glycolysis
14. a high-energy molecule that plays a crucial role in cellular respiration
16. the process where ions (primarily protons, \(H^{+}\)) move across a semipermeable membrane, down their electrochemical gradient, driving the synthesis of ATP (
17. a crucial coenzyme that carries electrons, powering energy production
18. without oxygen

1. the narrow region between its inner and outer membranes
4. a crucial metabolic molecule linking nutrient breakdown (from carbs, fats, proteins) to energy production (Krebs Cycle) and biosynthesis (fats, cholesterol, neurotransmitters)
7. a series of protein complexes in cell membranes
8. provides support
10. the energy currency in cells
12. 3C pyruvic acid is changed into 2C ethyl alcohol and CO2
13. Takes place in the cytosol of cells
15. with oxygen