In 2001 Sirius and XM Started Offering Satellite Radio Services

question 44

Multiple Choice

In 2001 Sirius and XM started offering satellite radio services, but both struggled to make a profit. In 2007 Sirius acquired XM, part of a process called:

• A) introducing new voices in the media.
• B) self-regulation.
• C) encoding.
• D) conglomeration.
• E) spectatorship.

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Definitions:

Antagonistically

In a manner that indicates mutual opposition or contradictory actions, often involving biochemical substances or muscles.

Troponin

A regulatory protein complex involved in muscle contraction, found in the muscle fibers, and sensitive to calcium concentrations.

Tropomyosin

A muscle protein involved in regulation of contraction.

Sarcomere

A segment of a striated muscle cell located between adjacent Z lines that serves as a unit of contraction.