After Mutagenesis and Screening Take Place,you Have Found a Mutant

question 19

Multiple Choice

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 greater in the mutant.
• C)The concentration of metallothioneins is lower in the mutant.
• D)Metallothioneins are the most abundant proteins in the mutant.

---

Definitions:

Last Glacial Maximum

The period in the Earth's climatic history during the last ice age when ice sheets were at their maximum extent, covering much of North America, Europe, and Asia.

Global Sea Level

The average height of the Earth's oceans' surface, used as a standard basis for measuring elevation and depth on Earth.

Ice Volume

The amount of ice contained within glaciers, ice caps, and ice sheets globally or regionally.

Ambrosia

In classical mythology, is the food of the gods, believed to confer immortality; in modern contexts, it can refer to something very pleasing to taste or smell.