Biochemical Evidence Supporting the Sliding Filament Model of Muscle Contraction

question 33

Multiple Choice

Biochemical evidence supporting the sliding filament model of muscle contraction includes the observation that

• A)myosin light chains can be phosphorylated.
• B)titin connects each end of a thick filament to a Z line.
• C)TnC binds Ca2⁺.
• D)actin has polymerization ATPase activity.
• E)myosin has an ATP-dependent crossbridge cycle.

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Definitions:

Differentiate

To establish a distinct, unique position in the marketplace by highlighting differences from competitors.

Demand Curve

A graphical representation showing the relationship between the price of a good or service and the quantity demanded for a given period.

Charging Different Prices

Practice of setting different prices for the same product or service in different markets or to different customers, often based on demand, purchase volume, or buyer characteristics.

Price Elasticity

A measure of how much the quantity demanded of a good responds to a change in its price.