The Heroin Signature Program Identifies the _____________ of a Heroin

question 6

Multiple Choice

The Heroin Signature Program identifies the _____________ of a heroin sample.

• A) port of entry
• B) geographic source area
• C) distribution method
• D) level of drug purity

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Definitions:

I Band

Area between the ends of two adjacent myosin myofilaments within a myofibril; Z disk divides the I band into two equal parts.

M Line

Line in the center of the H zone made of delicate filaments that holds the myosin myofilaments in place in the sarcomere of muscle fibers.

Myosin Head

The globular part of the myosin protein that binds to actin filaments in muscle cells during contraction.

Troponin

A protein complex involved in the regulation of skeletal and cardiac muscle contraction, which binds to calcium ions causing a change that allows muscle contraction.