Definition of enzyme in English:

enzyme

noun ˈɛnzʌɪmˈɛnzaɪm

Biochemistry

A substance produced by a living organism which acts as a catalyst to bring about a specific biochemical reaction.
〔生化〕酶
Example sentencesExamples
- This is probably due to the presence of other enzymes besides the protease.
- It appears to be due, in large part, to the activity of a specific enzyme, cytokinin oxidase.
- It is clear that cells have a variety of relatively specific enzymes able to degrade these compounds.
- They can act as real enzymes and, by analogy to protein enzymes, are called ribozymes.
- Among these anaerobic proteins are enzymes involved in glycolysis and related processes.

Most enzymes are proteins with large complex molecules whose action depends on their particular molecular shape. Some enzymes control reactions within cells and some, such as the enzymes involved in digestion, outside them

Derivatives

enzymatic

adjectiveˌɛnzʌɪˈmatɪkˌɛnzəˈmædɪk

Biochemistry

Relating to or involving a substance produced by a living organism which acts as a catalyst to bring about a specific biochemical reaction.
〔生化〕酶
enzymatic reactions
Example sentencesExamples
- The enzymatic degradation of a phospholipid membrane has been followed in situ.
- This effect was independent of the enzymatic activity of this protein.
- The enzymatic removal of carbohydrate has been successful with soluble proteins.

enzymic

adjectiveɛnˈzʌɪmɪk

Biochemistry

For enzymic catalysis, this source of reversible work is unlikely because the amount of work required is much greater, while the participants in the reaction, including the enzyme, are usually chemically unreactive.
Example sentencesExamples
- On the one hand, they may simply be by-products of several enzymic reactions.
- The phototoxic activity of this porphyrin is mainly mediated by the impairment of the enzymic and transport functions of both the outer and cytoplasmic membranes.
- In addition, steroid hormones are known to impair enzymic antioxidant defenses and directly induce oxidative stress.
- The enzymic pathways shown will not necessarily all be present in a particular cell.

Origin

Late 19th century: coined in German from modern Greek enzumos 'leavened', from en- 'within' + Greek zumē 'leaven'.

Definition of enzyme in US English:

enzyme

nounˈenzīmˈɛnzaɪm

Biochemistry

A substance produced by a living organism which acts as a catalyst to bring about a specific biochemical reaction.
〔生化〕酶
Most enzymes are proteins with large complex molecules whose action depends on their particular molecular shape. Some enzymes control reactions within cells and some, such as the enzymes involved in digestion, outside them
Example sentencesExamples
- It appears to be due, in large part, to the activity of a specific enzyme, cytokinin oxidase.
- Among these anaerobic proteins are enzymes involved in glycolysis and related processes.
- It is clear that cells have a variety of relatively specific enzymes able to degrade these compounds.
- This is probably due to the presence of other enzymes besides the protease.
- They can act as real enzymes and, by analogy to protein enzymes, are called ribozymes.

Origin

Late 19th century: coined in German from modern Greek enzumos ‘leavened’, from en- ‘within’ + Greek zumē ‘leaven’.

词汇	enzyme
释义	Definition of enzyme in English: enzyme noun ˈɛnzʌɪmˈɛnzaɪm Biochemistry A substance produced by a living organism which acts as a catalyst to bring about a specific biochemical reaction. 〔生化〕酶 Example sentencesExamples This is probably due to the presence of other enzymes besides the protease. It appears to be due, in large part, to the activity of a specific enzyme, cytokinin oxidase. It is clear that cells have a variety of relatively specific enzymes able to degrade these compounds. They can act as real enzymes and, by analogy to protein enzymes, are called ribozymes. Among these anaerobic proteins are enzymes involved in glycolysis and related processes. Most enzymes are proteins with large complex molecules whose action depends on their particular molecular shape. Some enzymes control reactions within cells and some, such as the enzymes involved in digestion, outside them Derivatives enzymatic adjectiveˌɛnzʌɪˈmatɪkˌɛnzəˈmædɪk Biochemistry Relating to or involving a substance produced by a living organism which acts as a catalyst to bring about a specific biochemical reaction. 〔生化〕酶 enzymatic reactions Example sentencesExamples The enzymatic degradation of a phospholipid membrane has been followed in situ. This effect was independent of the enzymatic activity of this protein. The enzymatic removal of carbohydrate has been successful with soluble proteins. enzymic adjectiveɛnˈzʌɪmɪk Biochemistry For enzymic catalysis, this source of reversible work is unlikely because the amount of work required is much greater, while the participants in the reaction, including the enzyme, are usually chemically unreactive. Example sentencesExamples On the one hand, they may simply be by-products of several enzymic reactions. The phototoxic activity of this porphyrin is mainly mediated by the impairment of the enzymic and transport functions of both the outer and cytoplasmic membranes. In addition, steroid hormones are known to impair enzymic antioxidant defenses and directly induce oxidative stress. The enzymic pathways shown will not necessarily all be present in a particular cell. Origin Late 19th century: coined in German from modern Greek enzumos 'leavened', from en- 'within' + Greek zumē 'leaven'. Definition of enzyme in US English: enzyme nounˈenzīmˈɛnzaɪm Biochemistry A substance produced by a living organism which acts as a catalyst to bring about a specific biochemical reaction. 〔生化〕酶 Most enzymes are proteins with large complex molecules whose action depends on their particular molecular shape. Some enzymes control reactions within cells and some, such as the enzymes involved in digestion, outside them Example sentencesExamples It appears to be due, in large part, to the activity of a specific enzyme, cytokinin oxidase. Among these anaerobic proteins are enzymes involved in glycolysis and related processes. It is clear that cells have a variety of relatively specific enzymes able to degrade these compounds. This is probably due to the presence of other enzymes besides the protease. They can act as real enzymes and, by analogy to protein enzymes, are called ribozymes. Origin Late 19th century: coined in German from modern Greek enzumos ‘leavened’, from en- ‘within’ + Greek zumē ‘leaven’.
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