After mutagenesis and screening take place, you have found a mutant that is able to grow in soil with high copper content. Protein analysis shows that the concentration of metallothioneins in the mutant is different from that in normal plants. How does the concentration of metallothioneins likely differ in the mutant relative to the normal plant?
A) Metallothioneins are absent in the mutant.
B) The concentration of metallothioneins is lower in the mutant.
C) The concentration of metallothioneins is greater in the mutant.
D) Metallothioneins are the most abundant proteins in the mutant.
Ans: C) The concentration of metallothioneins is greater in the mutant.
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