Simplify the Expression $y ^ { - 6 } \cdot y ^ { - 2 }$

question 118

Multiple Choice

Simplify the expression. Write the result without using negative exponents. (Assume all variables represent nonzero
real numbers.)
- $y ^ { - 6 } \cdot y ^ { - 2 }$

• A) \(\frac { 1 } { y ^ { - 8 } }\)
• B) \(\frac { 1 } { \mathrm { y } ^ { 4 } }\)
• C) \(y ^ { 8 }\)
• D) \(\frac { 1 } { y ^ { 8 } }\)

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Definitions:

Lac Operon

A gene regulatory mechanism in bacteria where the metabolism of lactose is controlled by the interaction of several genes and protein products.

Mutation

A change in the DNA sequence within an organism's genome, which can lead to variations in physical appearance, function, or behavior.

Lactose

A sugar present in milk and dairy products, consisting of glucose and galactose units.

Transcription

The process by which the information in a strand of DNA is copied into a new molecule of messenger RNA (mRNA).