Question

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求這2題解答～
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is the difference between ribozymes that are considered “true”catalysts
gthat are not?

true”catalysts are found only in prokaryotes

On-true”catalysts do not employ any of the accepted mechanisms of rate
enhancement

C. “Non-true”catalysts do not recognize aspecific site on the substrate

D. “True”catalysts are the same atthe end ofthe reaction as at the beginning

E. “True”catalysts require a protein component

    
 

67. Which one ofthe following statements is true? In chromatin folding, the
structure called a solenoid:

A. is the most compact form of DNA.

B. requires the presence of histone H1.

C. isagood template fortranscription.

D. consists of eight histone molecules around which DNA is wrapped.
E. is the most extended form of DNA.

Answer 1

✨ 最佳解答 ✨

CHW

66.
其實我沒聽過 true 和 non-true catalyst 這個說法 XD
但從查到的資料看應該就是 D 喔
某些 ribozyme 會被叫 non-true 是因為不像一般 catalyst 一樣可以重複使用
感謝分享~~

67.
solenoid 既不是最緊密、也不是最鬆散
是形成 nucleosome 後，histone H1 進一步把大家拉在一起的狀態
所以是 B

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