Before the Fall of Constantinople in 1453,the Byzantine Empire Tried

question 15

Multiple Choice

Before the fall of Constantinople in 1453,the Byzantine empire tried to shore up its defensive position against the Ottoman Turks by:

• A) restoring the ancient office of tsar (Caesar).
• B) forging a peace treaty with Ivan the Great.
• C) submitting to papal (Roman) authority in religious matters.
• D) equipping foot soldiers with hand-held firearms called muskets.
• E) agreeing to a mutual defense treaty with England and France.

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Definitions:

A Band

Length of the myosin myofilament in a sarcomere.

H Zone

Area in the center of the A band in which there are no actin myofilaments; contains only myosin.

I Band

A region within the sarcomere of skeletal and cardiac muscles identified by its light appearance under a microscope, consisting mainly of actin filaments.

Neuromuscular Junction

The synapse or junction where a motor neuron transmits a signal to a muscle fiber, causing it to contract.