You Are Characterizing the Properties of a Self-Splicing Ribozyme and Obtain

Multiple Choice

You are characterizing the properties of a self-splicing ribozyme and obtain the following
Results: in the presence of Mg²⁺, self-splicing occurs. However, in the absence of Mg²⁺, self-splicing does not occur. Which of the following hypotheses does this observation support?

A) Mg²⁺ is a cofactor for the ribozyme.
B) Mg²⁺ is a substrate for the ribozyme.
C) Mg²⁺ helps maintain the tertiary or quaternary structure of the protein.
D) Mg²⁺ is not required for the activity of the ribozyme