​One of the Most Important Reasons for the Decline of the Zhou

question 59

Multiple Choice

​One of the most important reasons for the decline of the Zhou Dynasty was

• A)​inability to fight off incursions of nomadic attackers.
• B)​loss of the Mandate of Heaven following extensive flooding, causing famine and death.
• C)​loss of centralization
• D)​rebellion against goverment control of key commodities like salt.
• E)​rise of rival religious clans.

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Definitions:

Muscle Unit

Refers to a motor unit, the smallest functional element of a muscle, consisting of a motor neuron and the skeletal muscle fibers it innervates.

Sarcomere Contraction

The process of muscle fibers shortening, caused by the sliding of actin and myosin filaments within the sarcomere, the fundamental unit of muscle contraction.

Myosin

ATP-dependent motor protein; makes up the thick filaments in a sarcomere.

Actin

A globular protein that forms filaments, which are vital components of the cytoskeleton in all eukaryotic cells, involved in cell movement and structure.