The Conductivity of Silicon Can Be Increased by Introducing Trace

question 15

Multiple Choice

The conductivity of silicon can be increased by introducing trace quantities of another element as an impurity in a process referred to as doping. Which element listed below when introduced as an impurity into silicon would provide a n-type conductor?

• A) P
• B) B
• C) Al
• D) C
• E) Ge

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Definitions:

Genetic Copy

A genetic copy refers to an organism or cell that has the exact same genetic makeup as another, essentially a synonym for a clone but often used in the context of molecular genetics.

Johannes Miescher

A Swiss biologist who discovered nucleic acids, thus laying the groundwork for the field of molecular biology.

Isolate DNA

The process of separating DNA from other cellular components to study its structure, function, or for genetic engineering purposes.

Replication Error

Mistakes that occur during the DNA replication process, potentially leading to mutations if not corrected by DNA repair mechanisms.