释义 |
Definition of haem in English: haem(US heme) noun hiːmhēm mass nounBiochemistry An iron-containing compound of the porphyrin class which forms the non-protein part of haemoglobin and some other biological molecules. Example sentencesExamples - This turnover releases significant amounts of the iron-free portion of heme, porphyrin, which is subsequently degraded.
- The majority of photosensitizers are derivatives of hematoporphyrin, a synthetic porphyrin synthesized from heme.
- The active site or prosthetic group of all the cytochromes is an iron containing porphyrin, or heme.
- An iron porphyrin, called heme, is the portion of hemoglobin that carries oxygen from the lungs to our body's cells.
- The harvested cell pellet was red, which suggested that the prosthetic group heme was synthesized by the bacterium.
Origin 1920s: back-formation from haemoglobin. Definition of heme in US English: heme(British haem) nounhēm Biochemistry An iron-containing compound of the porphyrin class which forms the nonprotein part of hemoglobin and some other biological molecules. Example sentencesExamples - The harvested cell pellet was red, which suggested that the prosthetic group heme was synthesized by the bacterium.
- An iron porphyrin, called heme, is the portion of hemoglobin that carries oxygen from the lungs to our body's cells.
- The majority of photosensitizers are derivatives of hematoporphyrin, a synthetic porphyrin synthesized from heme.
- The active site or prosthetic group of all the cytochromes is an iron containing porphyrin, or heme.
- This turnover releases significant amounts of the iron-free portion of heme, porphyrin, which is subsequently degraded.
Origin 1920s: back-formation from hemoglobin. |