A Cell That Allows the Complete Replication Cycle of a Virus

question 3

Multiple Choice

A cell that allows the complete replication cycle of a virus to take place is said to be a

• A) permissive host.
• B) viral cell.
• C) dead cell.
• D) lytic cell.

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Definitions:

Tropomyosin

A protein found in muscle tissue that regulates muscle contraction by blocking or exposing binding sites for myosin on actin filaments.

Troponin

A protein complex involved in muscle contraction; found in cardiac and skeletal muscles, its levels in the blood are used as a diagnostic indicator for heart attacks.

Sarcomere Distance

The length between two Z lines in a muscle fiber, defining the fundamental unit of muscle contraction.

Muscle Twitch

Single contraction of a muscle fiber; typically lasts only a fraction of a second.