| Sugar is taken and in the presence of an enzyme ethyl alcohol and carbon dioxide are produced. |
| This same converting enzyme also breaks down kinins, which are powerful vasodilators, and therefore tend to lower the blood pressure. |
| Sulphate reduction is initiated and carried out by the enzyme APS reductase in leaf and root plastids. |
| The patient's angiotensin-converting enzyme level was slightly elevated, and the rapid plasma reagin test was nonreactive. |
| Glasshouse plants used for nodule enzyme activity measurements were unpotted, rinsed free of sand and packed in ice. |
| The polyol pathway uses the enzyme aldose reductase to convert glucose to sorbitol. |
