200 201 201 221 221 234 237 241 245 245 253 253 269 269 283 283 290 292 299 301 305 305 310 313 318 322 322 326 335 349. carbohydrate metabolism glycolysis gluconeogenesis glycogen pentose phosphate pathway. citric acid cycle citric acid cycle. oxidative phosphorylation oxidative phosphorylation. photosynthesis photosynthesis.