In the Summer of 1967,racial Conflicts in the United States

question 72

Multiple Choice

In the summer of 1967,racial conflicts in the United States

• A) resulted in more than a hundred major disorders.
• B) saw 43 people die in a riot in Detroit.
• C) went ignored by the Johnson administration.
• D) both resulted in more than a hundred major disorders, and went ignored by the Johnson administration.
• E) None of these answers is correct.

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Definitions:

Sarcoplasmic Reticulum

A specialized type of endoplasmic reticulum in muscle cells that stores and releases calcium ions.

T Tubules

Tubular extensions of the cell membrane that penetrate into the center of skeletal and cardiac muscle cells, facilitating the transmission of electrical signals.

Sarcolemma

The fine transparent tubular sheath that envelops the fibers of skeletal muscles.

Sarcoplasmic Reticulum

A network of tubules within muscle cells that stores and releases calcium ions, playing a key role in muscle contraction.