A Common Characteristic of the Three Types of Muscle Tissue

question 27

Multiple Choice

A common characteristic of the three types of muscle tissue is that

• A) they all have striations.
• B) contraction is triggered by the release of calcium.
• C) they all contain sarcomeres.
• D) they can all use aerobic and anaerobic methods to utilize energy.

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Definitions:

Variances of Returns

A statistical measure of the dispersion of returns for a given security or market index, often used to quantify risk.

Mean-Variance Efficient Portfolio

A portfolio constructed to have the highest possible return for a given level of risk, or equivalently, the lowest risk for a given level of expected return, according to Harry Markowitz's theory.

Firm-Specific Variances

Variability in a firm's stock price or returns that is attributable to factors unique to that firm, as opposed to general market factors.

Macroeconomic Factor

A wide-scale economic condition or variable that influences a broad economy and consequently affects individual businesses and financial markets.