According to the Sliding Filament Model, When Muscle Tissue Contracts

question 31

Multiple Choice

According to the sliding filament model, when muscle tissue contracts,

• A) the Z lines slide away from one another.
• B) the myosin filaments shorten, while the actin filaments remain the same length.
• C) the sarcomeres shorten.
• D) the actin and myosin filaments shorten.
• E) the T tubules shorten.

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Definitions:

Resisting Forces

Forces that oppose motion or movement, including friction, air resistance, and tension, which work against the direction of motion.

Plate Tectonics

A theory in which the lithosphere is divided into a number of mostly rigid plates that move relative to one another, causing tectonic activity along these boundaries.

Tectonic Plate

A massive, irregularly shaped slab of solid rock, part of the Earth's lithosphere, which moves and interacts with other plates in a process that shapes the Earth's surface.

Centimeters

A unit of length in the metric system equal to one hundredth of a meter.