单选题
发布日期:2021-03-15
果糖二磷酸酶-1
6-磷酸果糖激酶-1
HMG CoA还原酶
磷酸化酶
HMG CoA合成酶
糖原分解是指糖原在无机磷酸存在下,经磷酸化酶催化,从糖原分子非还原端α-1,4糖苷键开始逐步地磷酸解,释放出葡萄糖-1-磷酸,直至生成极限糊精。 葡萄糖-1-磷酸经葡萄糖磷酸变位酶催化生成葡萄糖-6-磷酸。最后在肝脏的葡萄糖-6-磷酸酶催化下,水解成葡萄糖。
代谢途径中决定反应的速度和方向的酶称为关键酶(key enzyme)。它常常催化一系列反应中的最独特的第一个反应。
途径是一个汉语词语,读音是tú jìng。意思是指方法、路子,就是一件事物与另一件事物发生联系,如果一件事物能使另一件事物发生改变那么这两件事物便有联系。出自《玉搔头·缔盟》。
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