How Much Work Is Needed to Carry an Electron from the Positive

question 12

Multiple Choice

How much work is needed to carry an electron from the positive terminal to the negative terminal of a $9.0 - \mathrm { V }$ battery. $\left( e = 1.60 \times 10 ^ { - 19 } \mathrm { C } , m _ { \text {electron } } = 9.11 \times 10 ^ { - 31 } \mathrm {~kg} \right)$

• A) \(14.4 \times 10 ^ { - 19 } \mathrm {~J}\)
• B) \(9.0 \mathrm {~J}\)
• C) \(1.6 \times 10 ^ { - 19 } \mathrm {~J}\)
• D) \(17 \times 10 ^ { - 19 } \mathrm {~J}\)
• E) \(14.4 \times 10 ^ { - 19 } \mathrm {~J} / \mathrm { C }\)

---

Definitions:

DNA Profile

A unique set of DNA characteristics that can be used to identify an individual or to determine familial relationships.

Mitochondrial DNA SEQ## STR Profiling

A technique for analyzing short tandem repeats within the mitochondrial DNA, useful in forensic science and genealogy.

Agrobacterium Tumefaciens

A bacterium known for causing crown gall disease in plants, used in genetic engineering to transfer DNA to plant cells.

Plant Transgenics

The field of genetically modifying plants to introduce new traits by transferring genes from one organism to another, including different species.