When Researchers Wish to Make Multiple Copies of a Gene,they

question 43

Multiple Choice

When researchers wish to make multiple copies of a gene,they employ the

• A) centrifuge.
• B) pepsin activation reaction.
• C) polymerase chain reaction.
• D) restriction enzymes.

---

Definitions:

Mantle

The layer of the Earth between the crust and the outer core, composed of silicate rocks that are rich in magnesium and iron.

Melting

The process of changing from a solid to a liquid state due to an increase in temperature and/or a decrease in pressure.

Island Arc

An island arc is a chain of islands formed from the volcanic activity associated with the subduction zones of tectonic plates, typically located in the ocean.

Calderas

Large, basin-like depressions resulting from the collapse of a volcano after a major eruption.