| Carbon compound (0·5 mm) | Uptake rate [nmol (mg protein)−1 h−1; (mean ± se, n= 3)] | 14C metabolized to CO2 (proportion of radiolabel incorporated by cells) |
|---|---|---|
| Glucose | 0·17 ± 0·07 | 0·59 |
| Succinic acid | 1·63 ± 0·19 | 0·76 |
| Citric acid | 3·70 ± 0·14 | > 0·99 |
| 2·Oxoglutaric acid | 4·70 ± 0·30 | 0·91 |
| Glutamic acid | 5·38 ± 0·04 | 0·90 |
| Acetic acid | 6·70 ± 0·53 | 0·96 |
| Aspartic acid | 10·3 ± 0·41 | 0·92 |