In Griffith's Experiments

question 59

Multiple Choice

In Griffith's experiments,

• A)mice infected with live nonvirulent bacteria developed pneumonia and died.
• B)nonvirulent bacteria transformed the virulent bacteria into a nonvirulent variety.
• C)mice infected with heat-killed virulent bacteria and live nonvirulent bacteria developed pneumonia and died.
• D)mice infected with heat-killed virulent bacteria and heat-killed nonvirulent bacteria developed pneumonia and died.

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Definitions:

Nonsystematic Variance

The portion of an investment's variance that is attributable to the investment's specific factors, as opposed to the overall market movement.

Market Index

A market index is a hypothetical portfolio of investment holdings which represents a segment of the financial market.

R-squares

A statistical measure in finance that represents the proportion of the variance for a dependent variable that's explained by an independent variable or variables in a regression model.

Portfolio Performance

The assessment of how an investment portfolio has done in terms of returns for the risk taken, often compared against benchmarks or goals.