試卷名稱:114年 - [無官方正解]114 國立清華大學_碩士班考試入學試題_生命科學暨醫學院甲組(生物與醫學科學組)﹕生物化學#132802
年份:114年
科目:研究所、轉學考(插大)◆生物化學
16. HMG-CoA reductase is the key regulatory site in cholesterol synthesis. Which of
the following statement about the regulatory mechanisms of HMG-CoA reductase
is TRUE?
(A) HMG-CoA reductase phosphatase can activate HMG-CoA reductase,
(B) A high AMP:ATP ratio leads to activation of HMG-CoA reductase,
(C) Phosphorylation by cAMP-dependent kinase activates HMG-CoA
reductase,
(D) High cholesterol level increases the half-life of HMG-CoA reductase,
(E) High cholesterol level increases HMG-CoA reductase gene expression.