脂肪β氧化

2025-03-21 09:24:36
推荐回答(5个)
回答1:

从生物化学上讲:脂肪β氧化又称脂肪酸β氧化(β-oxidation),指脂肪酸活化为醋酯酰CoA进入线粒体基质后,脂肪酸氧化为多酶复合体的催化下,依次进行脱氧、水化,再脱氢和硫解四步连续反,释方出一分子CoA和一分子比原来少两个碳原子的脂酰CoA,由于反应在脂酰CoA的β-C碳原子间进行,最后原好被氧化成酰基,故称 β氧化。它是脂肪主要分解的重要方式。

回答2:

过氧化物酶体β氧化:
(1)氧化反应:脂酰辅酶A脱氢
生成2-反-烯脂酰辅酶A
⬇️
(2)水化反应:2-反-烯脂酰辅酶A
加水转变为3-羟脂酰辅酶A
⬇️
(3)脱氢反应:3-羟脂酰辅酶A脱氢生成
3-酮脂酰辅酶A
⬇️
(4)硫解反应:3-酮脂酰辅酶A硫解产生
1分子乙酰辅酶A(或丙酰辅酶A)和碳链
缩短了的脂酰辅酶A,随后进入下一个循环

回答3:

从生物化学上讲:脂肪B氧化又称为脂肪酸B氧化(B-oⅹⅰdatⅰon),脂肪酸活化为醋酯酰coA进入线粒体基质后,脂肪酸氧化为多酶复合体的催化下,依次进行脱氧、水化,再脱氢和,硫解四步连续反,释放出一分子C0A和一分子比原来少两个碳原子问进行,最后原好祓氧化成酰基,故称B氧化。它是脂肪主要分解的重要方式。

回答4:

杜绝后患v那你还发

回答5:

从生物化学上讲:脂肪β氧化又称脂肪酸β氧化(β-oxidation),指脂肪酸活化为醋酯酰CoA进入线粒体基质后,脂肪酸氧化为多酶复合体的催化下,依次进行脱氧、水化,再脱氢和硫解四步连续反,释方出一分子CoA和一分子比原来少两个碳原子的脂酰CoA,由于反应在脂酰CoA的β-C碳原子间进行,最后原好被氧化成酰基,故称 β氧化。它是脂肪主要分解的重要方式。从生物化学上讲:脂肪β氧化又称脂肪酸β氧化(β-oxidation),指脂肪酸活化为醋酯酰CoA进入线粒体基质后,脂肪酸氧化为多酶复合体的催化下,依次进行脱氧、水化,再脱氢和硫解四步连续反,释方出一分子CoA和一分子比原来少两个碳原子的脂酰CoA,由于反应在脂酰CoA的β-C碳原子间进行,最后原好被氧化成酰基,故称 β氧化。它是脂肪主要分解的重要方式。

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