单词	cofactor
释义	cofactor /ˈkəʊfaktə / noun 1A contributory cause of a disease.The causes are clearly different from risk factors, which are the diseases accompanying cofactors.... Anorectal infections are a potent cofactor for HIV transmission. Counseling can be offered to all patients with HCV infection to modify or prevent the adverse effects of cofactors, such as alcohol consumption, on disease progression. 2 Biochemistry A substance (other than the substrate) whose presence is essential for the activity of an enzyme.Thiamine pyrophosphate, the active form of vitamin B-1, is a key cofactor of the essential enzymes involved in carbon metabolism.... Copper is usually utilized in organisms as a cofactor in enzymes or electron transfer proteins that catalyze redox reactions or oxygen chemistry. Modifications of proteins that depend upon vitamin C as a cofactor include proline and lysine hydroxylations. 3 Mathematics The quantity obtained from a determinant or a square matrix by removal of the row and column containing a specified element.Now, if A belongs to M n, then its matrix of cofactors A’ also has integer entries.
随便看	gun-shy gunsight gunslinger gunslinging gunsmith gunstock gunter gunter rig gunter-rigged Gunter's chain Gunther Guntur gun turret gunwale gunyah Guomindang guppie guppy Gupta Guptan gur Gurdjieff, George gurdwara gurgle gurgler

英语词典包含243303条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。